Biggest changeWe expect to continue to incur losses in connection with our ongoing activities, particularly as we advance the clinical trials of our product candidates in development and increase our sales and marketing resources to support the commercialization of DEXTENZA and the potential launch of our product candidates, subject to receiving FDA approval. 115 Table of Contents We anticipate we will incur substantial expenses if and as we: ● continue our ongoing clinical trials, including the SOL-1 trial of AXPAXLI for the treatment of wet AMD; our Phase 1 clinical trials of AXPAXLI for the treatment of wet AMD; the HELIOS trial of AXPAXLI for the treatment of NPDR; our Phase 2 clinical trial of PAXTRAVA for the treatment of OAG or OHT; our Phase 2 clinical trial of OTX-DED for the short-term treatment of the signs and symptoms of dry eye disease; ● continue to monitor subjects according to the applicable clinical trial protocols in our clinical trials that have been completed, including our clinical trial to evaluate DEXTENZA in pediatric subjects following cataract surgery; ● determine to initiate new clinical trials to evaluate our product candidates, including our planned SOL-2 trial of AXPAXLI for the treatment of wet AMD; our planned pivotal clinical trials of AXPAXLI for the treatment of NPDR; and, subject to our evaluation of strategic alternatives, possible pivotal clinical trials of PAXTRAVA for the reduction of IOP in patients with primary OAG or OHT; ● continue to commercialize DEXTENZA in the United States; ● continue to develop and expand our sales, marketing and distribution capabilities for DEXTENZA and any other products or product candidates we intend to commercialize; ● conduct or support research and development activities on, and seek regulatory approvals for, DEXTENZA and PAXTRAVA in specified Asian markets pursuant to our license agreement and collaboration with AffaMed Therapeutics Limited, or AffaMed; ● continue the research and development of our other product candidates; ● seek to identify and develop additional product candidates; ● seek marketing approvals for any of our product candidates that successfully complete clinical development; ● scale up our manufacturing processes and capabilities to support sales of commercial products, clinical trials of our product candidates and commercialization of any of our product candidates for which we obtain marketing approval, and expand our facilities to accommodate this scale up and any corresponding growth in personnel; ● renovate our existing facilities including research and development laboratories, manufacturing space and office space; ● maintain, expand and protect our intellectual property portfolio; ● expand our operational, financial, administrative and management systems and personnel, including personnel to support our clinical development, manufacturing and commercialization efforts; ● defend ourselves against legal proceedings, if any; ● make investments to improve our defenses against cybersecurity and establish and maintain cybersecurity insurance; ● increase our product liability and clinical trial insurance coverage as we expand our clinical trials and commercialization efforts; and ● continue to operate as a public company. 116 Table of Contents The amount and timing of these expenses determines our future capital requirements.
Biggest changeWe anticipate we will incur substantial expenses if and as we: ● continue our ongoing clinical trials, including the SOL-1 and the SOL-R trials, our two registrational Phase 3 clinical trials of AXPAXLI for the treatment of wet AMD; ● initiate any additional clinical trials we might determine in the future to conduct for our product candidates, including any clinical trials that we might conduct for AXPAXLI for the treatment of NPDR and DME; ● scale up our manufacturing processes and capabilities to support sales of commercial products, clinical trials of our product candidates, including AXPAXLI, and commercialization of any of our product candidates for which we obtain marketing approval, and expand our facilities to accommodate this scale up and any corresponding growth in personnel; ● scale up our sales, marketing and distribution capabilities to prepare for commercialization of any product candidates for which we intend to obtain marketing approval; ● seek marketing approvals for any of our product candidates that successfully complete clinical development; ● continue to monitor subjects according to the applicable clinical trial protocols, or prepare submission documentation such as clinical study reports, for our clinical trials that have been completed; ● continue to commercialize DEXTENZA in the United States; ● maintain, expand and protect our intellectual property portfolio; 116 Table of Contents ● expand our operational, quality assurance, financial, administrative and management systems and personnel, including personnel to support our clinical development, manufacturing and commercialization efforts; ● defend ourselves against legal proceedings, if any; ● make investments to improve our defenses against cybersecurity threats and establish and maintain cybersecurity insurance; ● increase our product liability and clinical trial insurance coverage as we expand our clinical trials and commercialization efforts; and ● continue to operate as a public company.
Research and Development Expenses Research and development expenses consist primarily of costs incurred for the development of our product candidates, which include: ● employee-related expenses, including salaries, related benefits and payroll taxes, travel and stock-based compensation expense for employees engaged in research and development, clinical and regulatory and other related functions; ● expenses incurred in connection with the clinical trials of our product candidates, including with the investigative sites that conduct our clinical trials and under agreements with contract research organizations, or CROs; ● expenses relating to regulatory activities, including filing fees paid to the FDA for our submissions for product approvals; ● expenses associated with developing our pre-commercial manufacturing capabilities and manufacturing clinical study materials; ● ongoing research and development activities relating to our core bioresorbable hydrogel technology and improvements to this technology; ● facilities, depreciation and other expenses, which include direct and allocated expenses for rent and maintenance of facilities, insurance and supplies; ● costs relating to the supply and manufacturing of product inventory, prior to approval by the FDA or other regulatory agencies of our products; and ● expenses associated with preclinical development activities.
Research and Development Expenses Research and development expenses consist primarily of costs incurred for the development of our product candidates, which include: ● expenses incurred in connection with the clinical trials of our product candidates, including with the investigative sites that conduct our clinical trials and under agreements with contract research organizations, or CROs; ● employee-related expenses, including salaries, related benefits and payroll taxes, travel and stock-based compensation expense for employees engaged in research and development, clinical and regulatory and other related functions; ● expenses relating to regulatory activities, including filing fees paid to the FDA for our submissions for product approvals; ● expenses associated with developing our pre-commercial manufacturing capabilities and manufacturing clinical study materials; 109 Table of Contents ● ongoing research and development activities relating to our core bioresorbable hydrogel technology and improvements to this technology; ● facilities, depreciation and other expenses, which include direct and allocated expenses for rent and maintenance of facilities, insurance and supplies; ● costs relating to the supply and manufacturing of product inventory, prior to approval by the FDA or other regulatory agencies of our products; and ● expenses associated with preclinical development activities.
Some of the information contained in this discussion and analysis or set forth elsewhere in this Annual Report on Form 10-K, including information with respect to our plans and strategy for our business and related financing, includes forward-looking statements that involve risks and uncertainties and should be read together with the “Risk Factors” section of this Annual Report on Form 10-K for a discussion of important factors that could cause actual results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.
Some of the information contained in this discussion and analysis or set forth elsewhere in this Annual Report on Form 10-K, including information with respect to our plans and strategy for our business, includes forward-looking statements that involve risks and uncertainties and should be read together with the “Risk Factors” section of this Annual Report on Form 10-K for a discussion of important factors that could cause actual results to differ materially from the results described in or implied by the forward-looking statements contained in the following discussion and analysis.
Our pledge of our assets as collateral to secure our obligations under the Barings Credit Facility pursuant to which we have a total borrowing capacity of $82.5 million, which has been fully drawn down, may limit our ability to obtain additional debt or other financing.
The covenants under the Barings Credit Facility and our pledge of our assets as collateral to secure our obligations under the Barings Credit Facility pursuant to which we have a total borrowing capacity of $82.5 million, which has been fully drawn down, may limit our ability to obtain additional debt or other financing.
Some of the figures that we include in this table are based on management’s estimates and assumptions about these obligations, including their duration, and other factors. Because these estimates and assumptions are necessarily subjective, the amounts we will actually pay in future periods may vary from those reflected in the table.
Some of the figures that we include in this table are based on management’s estimates and assumptions about these obligations, including their duration, and other factors. Because 119 Table of Contents these estimates and assumptions are necessarily subjective, the amounts we will actually pay in future periods may vary from those reflected in the table.
Comparison of the Years Ended December 31, 2022 and 2021 A discussion of changes in our results of operations during the year ended December 31, 2022 compared to the year ended December 31, 2021 has been omitted from this Annual Report on Form 10-K but may be found in “Item 7.
Comparison of the Years Ended December 31, 2023 and 2022 A discussion of changes in our results of operations during the year ended December 31, 2023 compared to the year ended December 31, 2022 has been omitted from this Annual Report on Form 10-K but may be found in “Item 7.
The Barings Credit Agreement contains an embedded obligation to pay the Royalty Fee, or the Royalty Fee Obligation, that meets the criteria to be bifurcated and accounted for separately from the Barings Credit Facility, or the Royalty Fee Derivative Liability. Royalty payments are estimated using a Monte Carlo simulation.
Derivative Liabilities The Barings Credit Agreement contains the Royalty Fee Derivative Liability, an embedded obligation to pay the Royalty Fee, that meets the criteria to be bifurcated and accounted for separately from the Barings Credit Facility. Royalty payments are estimated using a Monte Carlo simulation.
Operating Expenses Cost of Product Revenue Cost of product revenue consists primarily of costs of DEXTENZA product revenue, which include: ● Direct materials costs; ● Royalties; 108 Table of Contents ● Direct labor, which includes employee-related expenses, including salaries, related benefits and payroll taxes, and stock-based compensation expense for employees engaged in the production process; ● Manufacturing overhead costs, which includes rent, depreciation, and indirect labor costs associated with the production process; ● Transportation costs; and ● Cost of scrap material.
Operating Expenses Cost of Product Revenue Cost of product revenue consists primarily of costs of DEXTENZA product revenue, which include: ● Direct materials costs; ● Royalties; ● Direct labor, which includes employee-related expenses, including salaries, related benefits and payroll taxes, and stock-based compensation expense for employees engaged in the production process; ● Manufacturing overhead costs, which includes rent, depreciation, and indirect labor costs associated with the production process; ● Transportation costs; and ● Cost of scrap material.
The calculation of the accrual for co-pay assistance is based on an estimate of claims and the cost per claim that we expect to receive associated with product that has been recognized 122 Table of Contents as revenue, but remains in the distribution channel inventories at the end of each reporting period.
The calculation of the accrual for co-pay assistance is based on an estimate of claims and the cost per claim that we expect to receive associated with product that has been recognized as revenue, but remains in the distribution channel inventories at the end of each reporting period.
Change in Fair Value of Derivative Liabilities. In August 2023, in connection with entering into the Barings Credit Agreement, we identified an embedded derivative liability, which we are required to measure at fair value at inception and then at the end of each reporting period until the embedded derivative is settled.
Change in Fair Value of Derivative Liabilities. In August 2023, in connection with entering into the Barings Credit Agreement, we identified an embedded derivative liability, or the Royalty Fee Derivative Liability, which we are required to measure at fair value at inception and then at the end of each reporting period until the embedded derivative is settled.
We do not have any committed external source of funds, although our license agreement with AffaMed provides for AffaMed’s reimbursement of certain clinical expenses incurred by us in connection with our collaboration and for our potential receipt of development 117 Table of Contents and sales milestone payments and royalty payments.
We do not have any committed external source of funds, although our license agreement with AffaMed provides for AffaMed’s reimbursement of certain clinical expenses incurred by us in connection with our collaboration and for our potential receipt of development and sales milestone payments and royalty payments.
In 2019, in connection with the issuance of our Convertible Notes, we identified an embedded derivative liability, which we are required to measure at fair value at inception and then at the end of each reporting period until the embedded derivative is settled.
In 2019, in connection with the issuance of our Convertible Notes, we identified an embedded derivative liability, or the Conversion Option Derivative Liability, which we are required to measure at fair value at inception and then at the end of each reporting period until the embedded derivative is settled.
In August 2023, we amended the Convertible Notes and accounted for the amendment as an extinguishment of debt in accordance with the guidance in Accounting Standards Codification Topic 470-50 Debt . Application of this accounting standard resulted in a gain on extinguishment.
In August 2023, we amended the Convertible Notes and accounted for the amendment, or the Convertible Notes Amendment, as an extinguishment of debt in accordance with the guidance in Accounting Standards Codification Topic 470-50 Debt . Application of this accounting standard resulted in a non-cash gain on extinguishment.
The net loss for 2023 comprises of a loss of $4.5 million from the change in the fair value of the derivative liability related to a conversion option embedded in the Convertible Notes and $0.9 million related to royalty fees under the Barings Credit Agreement that we paid or accrued, partially offset by a gain of $0.2 million from the change in the fair value of the derivative liability related to the Barings Credit Agreement.
The net loss for 2023 comprises of a loss of $4.5 million from the change in the fair value of the Conversion Option Derivative Liability and $0.9 million related to royalty fees under the Barings Credit Agreement that we paid or accrued, partially offset by a gain of $0.2 million from the change in the fair value of the Royalty Fee Derivative Liability.
Investing activities. Net cash used in investing activities was $6.1 million for the year ended December 31, 2023, consisting of cash used to purchase property and equipment and leasehold improvements. Net cash used in investing activities was $3.7 million for the year ended December 31, 2022, consisting of cash used to purchase property and equipment.
Net cash used in investing activities was $1.3 million for the year ended December 31, 2024, consisting of cash used to purchase property and equipment and leasehold improvements. Net cash used in investing activities was $6.1 million for the year ended December 31, 2023, consisting of cash used to purchase property and equipment and leasehold improvement.
Selling and Marketing Expenses Year Ended December 31, Increase 2023 2022 (Decrease) (in thousands) Personnel related (including stock-based compensation) $ 27,434 $ 26,679 $ 755 Professional fees 8,287 9,077 (790) Facility related and other 4,828 4,166 662 Total selling and marketing expenses $ 40,549 $ 39,922 $ 627 Selling and marketing expenses were $40.5 million and $39.9 million for the years ended December 31, 2023 and 2022, respectively, reflecting an increase of $0.6 million year-over-year.
Selling and Marketing Expenses Year Ended December 31, Increase (Decrease) 2024 2023 2022 2024 - 2023 2023 - 2022 (in thousands) Personnel-related (including stock-based compensation) $ 27,576 $ 27,434 $ 26,679 $ 142 $ 755 Professional fees 8,899 8,287 9,077 612 (790) Facility-related and other 5,115 4,828 4,166 287 662 Total selling and marketing expenses $ 41,590 $ 40,549 $ 39,922 $ 1,041 $ 627 Selling and marketing expenses were $41.6 million and $40.5 million for the years ended December 31, 2024 and 2023, respectively, reflecting an increase of $1.0 million year-over-year.
Each pre-funded warrant has an exercise price of $0.001 per share, is currently exercisable and will remain exercisable until exercised in full. 107 Table of Contents 2023 Equity Financing In December 2023, we completed an underwritten public offering of 35,420,000 shares of our common stock at a public offering price of $3.25 per share.
Each pre-funded warrant has an exercise price of $0.001 per share, is currently exercisable and will remain exercisable until exercised in full. 115 Table of Contents On December 18, 2023, we sold 35,420,000 shares of our common stock in an underwritten public offering at a public offering price of $3.25 per share.
In November 2018, the FDA approved DEXTENZA for the treatment of ocular pain following ophthalmic surgery. We entered into a limited number of arrangements with specialty distributors in the United States to distribute DEXTENZA.
Revenue Recognition We recognize product revenue from the sales of DEXTENZA product. In November 2018, the FDA approved DEXTENZA for the treatment of ocular pain following ophthalmic surgery. We entered into a limited number of arrangements with specialty distributors in the United States to distribute DEXTENZA.
Interest income was $4.0 million and $0.8 million for the years ended December 31, 2023 and 2022, respectively, reflecting an increase of $3.2 million year-over-year. The increase is primarily due to a higher average balance of cash and cash equivalents held by us, and higher interest rates. Interest Expense .
Other Income (Expense), Net Interest Income . Interest income was $20.3 million and $4.0 million for the years ended December 31, 2024 and 2023, respectively, reflecting an increase of $16.3 million year-over-year. The increase is primarily due to a higher average balance of cash and cash equivalents held by us, and higher interest rates. Interest Expense .
We anticipate that our general and administrative expenses will increase in the future as we support our continued development and commercialization of our product candidates.
We anticipate that our research and development expenses will increase in the future as we support our continued development of our product candidates.
Our future capital requirements will depend on many factors, including: ● the level of product sales from DEXTENZA and any additional products for which we obtain marketing approval in the future and the level of third-party reimbursement of such products; ● the costs of sales, marketing, distribution and other commercialization efforts with respect to DEXTENZA and any additional products for which we obtain marketing approval in the future, including cost increases due to inflation; ● the progress, costs and outcome of our ongoing and planned clinical trials of our product candidates, in particular AXPAXLI for the treatment of wet AMD and NPDR, and, subject to our evaluation of strategic alternatives, PAXTRAVA for the treatment of OAG or OHT; ● the scope, progress, costs and outcome of preclinical development and clinical trials of our other product candidates; ● the costs, timing and outcome of regulatory review of our product candidates by the FDA, the EMA or other regulatory authorities; ● the costs of scaling up our manufacturing processes and capabilities to support sales of commercial products, clinical trials of our product candidates and commercialization of any of our product candidates for which we obtain marketing approval and of expanding our facilities to accommodate this scale up and any corresponding growth in personnel; ● the extent of our debt service obligations and our ability, if desired, to refinance any of our existing debt on terms that are more favorable to us; ● the amounts we are entitled to receive, if any, as reimbursements for clinical trial expenditures, development, regulatory, and sales milestone payments, and royalty payments under our license agreement with AffaMed; ● the extent to which we choose to establish additional collaboration, distribution or other marketing arrangements for our products and product candidates; ● the costs and outcomes of any legal actions and proceedings; ● the costs and timing of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending any intellectual property-related claims; and ● the extent to which we acquire or invest in other businesses, products and technologies.
Our future capital requirements will depend on many factors, including: ● the progress, costs and outcome of our ongoing clinical trials of AXPAXLI for the treatment of wet AMD; ● the timing, scope, progress, costs and outcome of a potential registrational clinical program of AXPAXLI for the treatment of NPDR and DME; ● the costs, timing and outcome of regulatory review of AXPAXLI or our other product candidates by the FDA, the European Medicines Agency, or EMA, or other regulatory authorities; ● the scope, progress, costs and outcome of preclinical development and any additional clinical trials we might determine in the future to conduct for our other product candidates, including PAXTRAVA for the reduction of intraocular pressure, or IOP, in patients with primary open-angle glaucoma, or OAG, or ocular hypertension, or OHT; ● the level of product sales from DEXTENZA and any additional products for which we obtain marketing approval in the future and the level of third-party reimbursement of such products; ● the costs of sales, marketing, distribution and other commercialization efforts with respect to DEXTENZA and any of our product candidates for which we obtain marketing approval in the future, including cost increases due to inflation; ● the costs of scaling up our manufacturing processes and capabilities to support sales of commercial products, clinical trials of our product candidates, including AXPAXLI, and commercialization of any of our product candidates for which we obtain marketing approval, including AXPAXLI, and of expanding our facilities to accommodate this scale up and any corresponding growth in personnel; ● the extent of our debt service obligations and our ability, if desired, to refinance any of our existing debt on terms that are more favorable to us; ● the amounts we are entitled to receive, if any, as reimbursements for clinical trial expenditures, development, regulatory, and sales milestone payments, and royalty payments under our license agreement with AffaMed; 117 Table of Contents ● the extent to which we choose to establish additional collaboration, distribution or other marketing arrangements for our products and product candidates; ● the costs and outcomes of any legal actions and proceedings; ● the costs and timing of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending any intellectual property-related claims; and ● the extent to which we acquire or invest in other businesses, products and technologies.
Product Revenue, Net — We derive our product revenues from the sale of DEXTENZA in the United States to customers, which includes a limited number of specialty distributors, who then subsequently resell DEXTENZA to physicians, clinics and certain medical centers or hospitals. We also sell DEXTENZA directly to a small population of ASCs, based on individually negotiated direct distribution agreements.
Product Revenue, Net — We derive our product revenues from the sale of DEXTENZA in the United States to customers, which includes a limited number of specialty distributors, who then subsequently resell DEXTENZA to ASCs, HOPDs, and physicians’ offices. We also sell DEXTENZA directly to a small population of ASCs and physicians’ offices, based on individually negotiated direct distribution agreements.
Components of our Financial Performance Revenue We recognize product revenue when we sell DEXTENZA in the United States to a network of specialty distributors on a direct basis, who then resell the product to ASCs and hospital out-patient departments, or HOPDs, and physicians’ offices, and when we sell DEXTENZA on a direct basis to a small number of ASCs.
Components of our Financial Performance Revenue We recognize product revenue when we sell DEXTENZA in the United States to a network of SDs who then resell the product to ASCs, HOPDs, and physicians’ offices, and when we sell DEXTENZA on a direct basis to a small number of ASCs and physicians’ offices.
Net cash used in investing activities was $1.2 million for the year ended December 31, 2021, consisting of cash used to purchase property and equipment. Financing activities.
Net cash used in investing activities was $3.7 million for the year ended December 31, 2022, consisting of cash used to purchase property and equipment. Financing activities.
We recognize collaboration revenue based on a cost-to-cost method. 111 Table of Contents Research and Development Expenses Year Ended December 31, Increase 2023 2022 (Decrease) (in thousands) Direct research and development expenses by program: AXPAXLI for wet AMD 8,750 5,296 3,454 PAXTRAVA for glaucoma or ocular hypertension 3,600 2,835 765 AXPAXLI for diabetic retinopathy $ 2,868 $ 659 $ 2,209 DEXTENZA for post-surgical ocular inflammation and pain 2,224 1,649 575 OTX-DED for the short-term treatment of the signs and symptoms of dry eye disease 837 328 509 OTX-CSI for treatment of dry eye disease 161 453 (292) DEXTENZA for ocular itching associated with allergic conjunctivitis — 21 (21) Preclinical programs 1,501 1,947 (446) Unallocated expenses: Personnel costs 27,068 25,106 1,962 All other costs 14,046 15,168 (1,122) Total research and development expenses $ 61,055 $ 53,462 $ 7,593 Research and development expenses were $61.1 million and $53.5 million for the years ended December 31, 2023 and 2022, respectively, reflecting an increase of $7.6 million year-over-year.
We recognize collaboration revenue based on a cost-to-cost method. 112 Table of Contents Research and Development Expenses Year Ended December 31, Increase (Decrease) 2024 2023 2022 2024 - 2023 2023 - 2022 (in thousands) Direct research and development expenses by program: AXPAXLI for wet AMD $ 57,507 $ 8,750 $ 5,296 $ 48,757 $ 3,454 AXPAXLI for NPDR 2,301 2,868 659 (567) 2,209 PAXTRAVA for OAG or OHT 2,331 3,600 2,835 (1,269) 765 DEXTENZA for post-surgical ocular inflammation and pain 2,115 2,224 1,649 (109) 575 OTX-DED for the short-term treatment of the signs and symptoms of dry eye disease 499 837 328 (338) 509 OTX-CSI for treatment of dry eye disease — 161 453 (161) (292) DEXTENZA for ocular itching associated with allergic conjunctivitis — — 21 — (21) Preclinical programs 853 1,501 1,947 (648) (446) Unallocated expenses: — Personnel costs 37,818 27,068 25,106 10,750 1,962 All other costs 24,211 14,046 15,168 10,165 (1,122) Total research and development expenses $ 127,635 $ 61,055 $ 53,462 $ 66,580 $ 7,593 Research and development expenses were $127.6 million and $61.1 million for the years ended December 31, 2024 and 2023, respectively, reflecting an increase of $66.6 million year-over-year.
Based on our current operating plan, which includes estimates of anticipated cash inflows from DEXTENZA product sales and cash outflows from operating expenses and capital expenditures and reflects our observance of the minimum liquidity covenant of $20.0 million under the Barings Credit Agreement, we believe that our existing cash and cash equivalents as of December 31, 2023, plus the cash received from the 2024 Private Placement of our common stock in February 2024 of $325.0 million before deducting placement agent fees and other offering expenses, will enable us to fund our planned operating expenses, debt service obligations and capital expenditure requirements at least into 2028.
Based on our current operating plan, which includes estimates of anticipated cash inflows from DEXTENZA product sales and cash outflows from operating expenses and capital expenditures and reflects our observance of the minimum liquidity covenant of $20.0 million under the Barings Credit Agreement, we believe that our existing cash and cash equivalents as of December 31, 2024 will enable us to fund our planned operating expenses, debt service obligations and capital expenditure requirements into 2028.
We recognized a loss from the change in fair values of our derivative liabilities of $5.2 million for the year ended December 31, 2023, compared to a gain of $13.8 million for the year ended December 31, 2022.
Change in Fair Value of Derivative Liabilities. We recognized a net loss from the change in fair values of our derivative liabilities of $0.5 million for the year ended December 31, 2024, compared to a net loss of $5.2 million for the year ended December 31, 2023.
Transaction Price, including Variable Consideration — Revenues from product sales are recorded at the net sales price (transaction price), which includes estimates of variable consideration for which reserves are established.
Product revenues are recorded net of applicable reserves for variable consideration, including discounts and allowances. 121 Table of Contents Transaction Price, including Variable Consideration — Revenues from product sales are recorded at the net sales price (transaction price), which includes estimates of variable consideration for which reserves are established.
The commitments under the Barings Credit Agreement represent repayment of principal only. Future payments of interest under the Barings Credit Agreement depends on the level of SOFR, and future payments of royalty fees depend on our future revenue from DEXTENZA, both of which cannot be estimated at this time.
Future payments of interest under the Barings Credit Agreement depends on the level of the Secured Overnight Financing Rate, or SOFR, and future payments of royalty fees depend on our future revenue from DEXTENZA, both of which cannot be estimated at this time.
Cash Flows The following table summarizes our sources and uses of cash for each of the periods presented: Year Ended December 31, 2023 2022 2021 (in thousands) Cash used in operating activities $ (70,234) $ (59,603) $ (65,550) Cash used in investing activities (6,087) (3,715) (1,194) Cash provided by financing activities 169,828 1,454 2,851 Net increase (decrease) in cash and cash equivalents $ 93,507 $ (61,864) $ (63,893) Operating activities.
Cash Flows The following table summarizes our sources and uses of cash for each of the periods presented: Year Ended December 31, 2024 2023 2022 Cash used in operating activities $ (134,677) $ (70,234) $ (59,603) Cash used in investing activities (1,288) (6,087) (3,715) Cash provided by financing activities 332,110 169,828 1,454 Net increase in cash and cash equivalents $ 196,145 $ 93,507 $ (61,864) Operating activities.
The trade payment terms with our customers do not exceed one year and therefore we have elected to apply the practical expedient and no amount of consideration has been allocated as a financing component. Product revenues are recorded net of applicable reserves for variable consideration, including discounts and allowances.
The trade payment terms with our customers do not exceed one year and therefore we have elected to apply the practical expedient and no amount of consideration has been allocated as a financing component.
Interest expense was $11.3 million and $7.0 million for the years ended December 31, 2023 and 2022, respectively, reflecting an increase of $4.3 million year-over-year.
Interest expense was $13.6 million and $11.3 million for the years ended December 31, 2024 and 2023, respectively, reflecting an increase of $2.2 million year-over-year.
In August 2023, we also extinguished our obligations under the MidCap Credit Facility, resulting in a loss on extinguishment. 110 Table of Contents Results of Operations Comparison of the Years Ended December 31, 2023 and December 31, 2022 The following table summarizes our results of operations for the years ended December 31, 2023 and 2022: Year Ended December 31, Increase 2023 2022 (Decrease) (in thousands) Revenue: Product revenue, net $ 57,870 $ 50,457 $ 7,413 Collaboration revenue 573 1,037 (464) Total revenue, net 58,443 51,494 6,949 Costs and operating expenses: Cost of product revenue 5,281 4,540 741 Research and development 61,055 53,462 7,593 Selling and marketing 40,549 39,922 627 General and administrative 33,940 32,224 1,716 Total costs and operating expenses 140,825 130,148 10,677 Loss from operations (82,382) (78,654) (3,728) Other income (expense): Interest income 3,983 798 3,185 Interest expense (11,338) (7,022) (4,316) Change in fair value of derivative liabilities (5,188) 13,841 (19,029) Gains and losses on extinguishment of debt, net 14,190 — 14,190 Other expense, net (1) (1) — Total other income, net 1,646 7,616 (5,970) Net loss $ (80,736) $ (71,038) $ (9,698) Product Revenue, net Our product revenue, net was $57.9 million and $50.5 million for the years ended December 31, 2023 and 2022, respectively, reflecting an increase of $7.4 million year-over-year.
In August 2023, we also extinguished our obligations under the MidCap Credit Facility, resulting in a non-cash loss on extinguishment. 111 Table of Contents Results of Operations The following table summarizes our results of operations for the years ended December 31, 2024, 2023 and 2022: Year Ended December 31, Increase (Decrease) 2024 2023 2022 2024 - 2023 2023 - 2022 (in thousands) Revenue: Product revenue, net $ 63,461 $ 57,870 $ 50,457 $ 5,591 $ 7,413 Collaboration revenue 262 573 1,037 (311) (464) Total revenue, net 63,723 58,443 51,494 5,280 6,949 Costs and operating expenses: Cost of product revenue 5,626 5,281 4,540 345 741 Research and development 127,635 61,055 53,462 66,580 7,593 Selling and marketing 41,590 40,549 39,922 1,041 627 General and administrative 60,653 33,940 32,224 26,713 1,716 Total costs and operating expenses 235,504 140,825 130,148 94,679 10,677 Loss from operations (171,781) (82,382) (78,654) (89,399) (3,728) Other income (expense): Interest income 20,282 3,983 798 16,299 3,185 Interest expense (13,577) (11,338) (7,022) (2,239) (4,316) Change in fair value of derivative liabilities (480) (5,188) 13,841 4,708 (19,029) Gains and losses on extinguishment of debt, net (27,950) 14,190 — (42,140) 14,190 Other expense, net — (1) (1) 1 — Total other income, net (21,725) 1,646 7,616 (23,371) (5,970) Net loss $ (193,506) $ (80,736) $ (71,038) $ (112,770) $ (9,698) Product Revenue, net Our product revenue, net was $63.5 million and $57.9 million for the years ended December 31, 2024 and 2023, respectively, reflecting an increase of $5.6 million year-over-year.
Our net loss was primarily attributed to research and development activities, selling and marketing costs and our general and administrative expenses partially offset by $58.4 million of revenue and other income of $1.6 million.
Our net loss was primarily attributed to operating expenses of $140.8 million, which we incurred primarily for research and development activities, selling and marketing activities, and general and administrative activities, partially offset by $58.4 million of revenue and a net non-operating income of $1.6 million.
Our net loss was primarily attributed to research and development activities, selling and marketing costs and our general and administrative expenses partially offset by $51.5 million of revenue and $7.6 million of other income.
Our net loss was primarily attributed to operating expenses of $130.1 million, which we incurred primarily for research and development activities, selling and marketing activities, and general and administrative activities, partially offset by $51.5 million of revenue and a net non-operating income of $7.6 million.
In connection with entering the Barings Credit Facility, in August 2023, we paid MidCap Financial Trust, as administrative agent, and our other lenders an aggregate of $26.2 million in satisfaction of our obligations under our prior credit facility, which we refer to as the MidCap Credit Facility.
In connection with entering the Barings Credit Facility, in August 2023, we paid MidCap Financial Trust, as administrative agent, and our other lenders an aggregate of $26.2 million in satisfaction of our obligations under the MidCap Credit Facility. Funding Requirements We have a history of incurring significant operating losses.
While our significant accounting policies are described in more detail in the notes to our consolidated financial statements appearing elsewhere in this annual report, we believe the following accounting policies to be most critical to the judgments and estimates used in the preparation of our consolidated financial statements. 120 Table of Contents Revenue Recognition We recognize product revenue from the sales of DEXTENZA product.
While our significant accounting policies are described in more detail in the notes to our consolidated financial statements appearing elsewhere in this Annual Report on Form 10-K, we believe the following accounting policies to be most critical to the judgments and estimates used in the preparation of our consolidated financial statements.
Contractual Obligations and Commitments Less Than 1 to 3 3 to 5 More than Total 1 Year Years Years 5 Years (in thousands) Operating lease commitments $ 10,713 $ 2,504 7,493 716 — Barings Credit Agreement 82,474 — — — 82,474 Convertible Notes 61,535 — — — 61,535 Total $ 154,722 $ 2,504 $ 7,493 $ 716 $ 144,009 The table above includes our enforceable and legally binding obligations and future commitments at December 31, 2023, as well as obligations related to contracts that we are likely to continue, regardless of the fact that they may be cancelable at December 31, 2023.
Contractual Obligations and Commitments Less Than 1 to 3 3 to 5 More than Total 1 Year Years Years 5 Years (in thousands) Operating lease commitments $ 8,737 $ 2,722 5,265 750 — Barings Credit Agreement 82,474 — — 82,474 — Total $ 91,211 $ 2,722 $ 5,265 $ 83,224 $ — The table above includes our enforceable and legally binding obligations and future commitments at December 31, 2024, as well as obligations related to contracts that we are likely to continue, regardless of the fact that they may be cancelable at December 31, 2024.
The increase is primarily due to higher balances of debt outstanding as a result of us drawing $82.5 million of debt under the Barings Credit Facility in August 2023, partially offset by us paying off the MidCap Credit Facility of $25.0 million in August 2023. Change in Fair Value of Derivative Liabilities.
The increase is primarily due to higher average balances of debt outstanding as a result of us drawing $82.5 million of debt under the Barings Credit Facility in August 2023, partially offset by us paying off the MidCap Credit Facility, of $25.0 million in August 2023, and the conversion of the Convertible Notes of $37.5 million in March 2024, and higher interest rates.
Net cash used in operating activities was $59.6 million for the year ended December 31, 2022, primarily resulting from our net loss of $71.0 million, adjusted for changes in the fair value of our derivative liabilities of $13.8 million, partially offset by $25.2 million of other non-cash items and changes in operating assets and liabilities.
Net cash used in operating activities was $59.6 million for the year ended December 31, 2022, primarily resulting from our net loss of $71.0 million, partially offset by non-cash adjustments of $10.1 million and net favorable changes in operating assets and liabilities of $1.3 million.
The changes in fair value of these derivative liabilities are recorded through the consolidated statement of operations and comprehensive loss and are presented under the caption change in fair value of derivative liabilities. Gains and Losses from Debt Extinguishment .
The settlement of the Conversion Option Derivative Liability occurred on March 28, 2024. The changes in fair value of these derivative liabilities are recorded through the consolidated statement of operations and comprehensive loss and are presented under the caption “change in fair value of derivative liabilities”. Gains and Losses from Debt Extinguishment .
Net cash used by unfavorable changes in our operating assets and liabilities during the year ended December 31, 2023 consisted primarily of net increases of prepaid expenses and other current assets of $5.0 million, net increases in accounts receivable of $4.9 million, partially offset by increases of accounts payable, excluding accounts payable related to additions to property and equipment, of $1.8 million, and increases in accrued expenses and other current liabilities, excluding accrued non-cash interest, of $0.8 million.
Net cash used by net unfavorable changes in our operating assets and liabilities during the year ended December 31, 2023 consisted primarily of increases of accounts receivables of $4.9 million, increases of prepaid expenses and other current assets of $3.8 million, partially offset by increases of other items, net, of $1.2 million.
We refer to these resales from the specialty distributors to the ASCs and HOPDs as in-market unit sales. We record DEXTENZA product sales net of estimated chargebacks, rebates, distribution fees and product returns. These deductions are generally referred to as gross-to-net deductions.
We record DEXTENZA product sales net of estimated chargebacks, rebates, distribution fees and product returns. These deductions are generally referred to as gross-to-net deductions.
Within research and development expenses, expenses for clinical programs increased $7.2 million, unallocated expenses increased $0.8 million, and expenses for preclinical programs decreased $0.4 million. For the year ended December 31, 2023, we incurred $18.4 million in direct research and development expenses for our products and product candidates compared to $11.2 million for the year ended December 31, 2022.
Within research and development expenses, direct expenses for clinical programs increased $46.3 million, unallocated expenses increased $20.9 million, and expenses for preclinical programs decreased $0.6 million. For the year ended December 31, 2024, we incurred $65.6 million in direct research and development expenses for our products and product candidates compared to $19.9 million for the year ended December 31, 2023.
Our liability for these rebates consists of invoices received for claims from prior quarters that have not been paid or for which an invoice has not yet been received, estimates of claims for the current quarter, and estimated future claims that will be made for product that has been recognized as revenue, but which remains in the distribution channel inventories at the end of each reporting period.
Our liability for these rebates consists of invoices received for claims from prior quarters that have not been paid or for which an invoice has not yet been received, estimates of claims for the current quarter, and estimated future claims that will be made for product that has been recognized as revenue, but which remains in the distribution channel inventories at the end of each reporting period. 122 Table of Contents Purchaser/Provider Discounts and Rebates —We offer rebate payments for which ASCs, HOPDs and other prescribers qualify by meeting quarterly purchase volumes of DEXTENZA under our volume-based rebate program.
We use internal resources in combination with third-party CROs, including clinical monitors and clinical research associates, to manage our clinical trials, monitor subject enrollment and perform data analysis for many of our clinical trials.
We use internal resources in combination with third-party CROs, including clinical monitors and clinical research associates, to manage our clinical trials, monitor subject enrollment and perform data analysis for many of our clinical trials. These employees work across multiple development programs and, therefore, we do not track their costs by program.
The increase was primarily due to an increase of $3.1 million in personnel related costs including stock-based compensation, which was partially offset by a decrease in professional fees of $0.8 million and a decrease of $0.6 million in facility related and other costs.
The increase was primarily due to an increase of $18.9 million in personnel-related costs including stock-based compensation, an increase in professional fees of $4.7 million and an increase of $3.0 million in facility related and other costs.
We have not included in the table above any payments to Incept under this license agreement as the amount, timing and likelihood of such payments are not known. Off-Balance Sheet Arrangements We did not have during the periods presented, and we do not currently have, any off-balance sheet arrangements, as defined in the rules and regulations of the Securities and Exchange Commission, such relationships with unconsolidated entities or financial partnerships, which are often referred to as structured finance or special purpose entities, established for the purpose of facilitating financing transactions that are not required to be reflected on our balance sheets.
Off-Balance Sheet Arrangements We did not have during the periods presented, and we do not currently have, any off-balance sheet arrangements, as defined in the rules and regulations of the Securities and Exchange Commission, such relationships with unconsolidated entities or financial partnerships, which are often referred to as structured finance or special purpose entities, established for the purpose of facilitating financing transactions that are not required to be reflected on our balance sheets. 120 Table of Contents Critical Accounting Policies and Significant Judgments and Estimates Our consolidated financial statements are prepared in accordance with generally accepted accounting principles in the United States of America.
In connection with entering the Barings Credit Facility, in August 2023, we paid MidCap Financial Trust, as administrative agent, and our other lenders an aggregate of $26.2 million in satisfaction of our obligations under the MidCap Credit Facility. 2024 Private Placement In February 2024, we sold 32,413,560 shares of our common stock at $7.52 per share and, in lieu of common stock to certain investors, pre-funded warrants to purchase up to an aggregate of 10,805,957 shares of our common stock at a price of $7.519 per pre-funded warrant for aggregate gross proceeds of approximately $325.0 million, before deducting placement agent fees and other offering expenses, under the 2024 Private Placement.
In February 2024, we sold 32,413,560 shares of our common stock at $7.52 per share and, in lieu of common stock to certain investors, pre-funded warrants to purchase up to an aggregate of 10,805,957 shares of our common stock at a price of $7.519 per pre-funded warrant for total net proceeds of approximately $316.4 million, after deducting placement agent fees and other offering expenses, in the 2024 Private Placement.
We enter into contracts in the normal course of business to assist in the performance of our research and development activities and other services and products for operating purposes.
We enter into contracts in the normal course of business to assist in the performance of our research and development activities and other services and products for operating purposes. These contracts generally provide for termination on notice, and therefore are cancelable contracts which are not included in contractual obligations and commitments.
We are currently conducting a pivotal Phase 3 clinical trial to evaluate AXPAXLI for the treatment of wet age-related macular degeneration, or wet AMD, which we refer to as the SOL-1 trial, and a Phase 1 clinical trial for the treatment of diabetic retinopathy.
AXPAXLI is currently in two repeat-dosing Phase 3 clinical trials for the treatment of wet age-related macular degeneration, or wet AMD, which we refer to as the SOL-1 and the SOL-R trials. We have also completed a Phase 1 clinical trial of AXPAXLI for the treatment of non-proliferative diabetic retinopathy, or NPDR, which we refer to as the HELIOS trial.
All of our product revenue, net, was attributable to sales of DEXTENZA. Our total gross-to-net provisions for the years ended December 31, 2023 and 2022 were 30.1% and 24.9%, respectively, of gross DEXTENZA product sales. Collaboration Revenue We recognized $0.6 million of collaboration revenue related to the performance obligation under our license agreement with AffaMed to conduct a Phase 2 clinical trial of PAXTRAVA during the year ended December 31, 2023 compared to $1.0 million in the year ended December 31, 2022.
Collaboration Revenue We recognized $0.3 million of collaboration revenue related to the performance obligation under our license agreement with AffaMed to conduct a Phase 2 clinical trial of PAXTRAVA during the year ended December 31, 2024 compared to $0.6 million in the year ended December 31, 2023.
Our net loss was primarily attributed to research and development activities, selling and marketing costs and our general and administrative expenses partially offset by $71.5 million of other income and $43.5 million of revenue.
Our net loss was primarily attributed to operating expenses of $235.5 million, which we incurred primarily for research and development activities, selling and marketing activities, and general and administrative activities, and non-operating expenses of $21.7 million, partially offset by $63.7 million of revenue.
Interest expense is incurred on our debt. For the year ended December 31, 2023, our interest-bearing debt included the Barings Credit Facility ($82.5 million outstanding principal since August 2, 2023), the Convertible Notes ($37.5 million outstanding principal) and the notes payable under the MidCap Credit Facility ($25.0 million outstanding principal through August 2, 2023, no outstanding principal thereafter).
For the year ended December 31, 2024, our interest-bearing debt included the Barings Credit Facility ($82.5 million outstanding principal) and the Convertible Notes (through March 28, 2024, no outstanding principal thereafter).
Net cash used in operating activities was $70.2 million for the year ended December 31, 2023, primarily resulting from our net loss of $80.7 million, adjusted for net gains on extinguishment of debt of $14.2 million, partially offset by changes in the fair value of our derivative liabilities of $5.2 million and $19.5 million of other non-cash items and changes in operating assets and liabilities.
Net cash used in operating activities was $134.7 million for the year ended December 31, 2024, primarily resulting from our net loss of $193.5 million and net unfavorable changes in operating assets and liabilities of $10.2 million, partially offset by non-cash adjustments of $69.1 million.
If actual results in the future vary from our original estimates, we will adjust these estimates, which would affect net product revenue and earnings in the period such variances become known. 121 Table of Contents Trade Discounts and Allowances —We compensate (through trade discounts and allowances) our customers for sales order management, data, and distribution services.
Actual amounts of consideration ultimately received may differ from our estimates. If actual results in the future vary from our original estimates, we will adjust these estimates, which would affect net product revenue and earnings in the period such variances become known.
Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on March 6, 2023, which discussion is incorporated herein by reference and which is available free of charge on the SECs website at www.sec.gov. 113 Table of Contents Liquidity and Capital Resources Sources of Liquidity We have financed our operations primarily through private placements of our preferred stock, public offerings and private placements of our common stock, borrowings under credit facilities, the private placements of our convertible notes, and sales of our products.
Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on March 11, 2024, which discussion is incorporated herein by reference and which is available free of charge on the SECs website at www.sec.gov.
The adjustments are recorded in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability which is included as an accrued expenses and other current liabilities for volume-based rebates and as a reduction of accounts receivable for OID rebates. Other Incentives — Other incentives which we offer include voluntary patient assistance programs, such as the co-pay assistance program, which are intended to provide financial assistance to qualified commercially-insured patients with prescription drug co-payments required by payors.
The adjustments are recorded in the same period the related revenue is recognized, resulting in a reduction of product revenue and the establishment of a current liability which is included as an accrued expenses and other current liabilities for volume-based rebates and as a reduction of accounts receivable for OID rebates.
The increase was primarily due to an increase of $0.8 million in personnel costs, including stock-based compensation, as we expanded our field-based team to support the commercialization of DEXTENZA, and an increase in facility-related and other costs of $0.7 million, partially offset by a decrease in professional fees, including consulting, trade shows, and conferences, of $0.8 million. 112 Table of Contents We expect our selling and marketing expenses to continue to increase for the remainder of 2024 and beyond as we continue to support the commercialization of DEXTENZA. General and Administrative Expenses Year Ended December 31, Increase 2023 2022 (Decrease) (in thousands) Personnel related (including stock-based compensation) $ 21,356 $ 18,227 $ 3,129 Professional fees 10,821 11,634 (813) Facility related and other 1,763 2,363 (600) Total general and administrative expenses $ 33,940 $ 32,224 $ 1,716 General and administrative expenses were $33.9 million and $32.2 million for the years ended December 31, 2023 and 2022, respectively, reflecting an increase of $1.7 million year-over-year.
General and Administrative Expenses Year Ended December 31, Increase (Decrease) 2024 2023 2022 2024 - 2023 2023 - 2022 (in thousands) Personnel-related (including stock-based compensation) $ 40,273 $ 21,356 $ 18,227 $ 18,917 $ 3,129 Professional fees 15,568 10,821 11,634 4,747 (813) Facility-related and other 4,812 1,763 2,363 3,049 (600) Total general and administrative expenses $ 60,653 $ 33,940 $ 32,224 $ 26,713 $ 1,716 General and administrative expenses were $60.7 million and $33.9 million for the years ended December 31, 2024 and 2023, respectively, reflecting an increase of $26.7 million year-over-year.
Our other non-cash items during the year ended December 31, 2022 consisted primarily of $17.0 million of stock-based compensation expense, $4.9 million in non-cash interest expense, $2.1 million in depreciation and amortization expense, and $1.3 million net cash generated by favorable changes in our operating assets and liabilities.
Net cash provided by net favorable changes in our operating assets and liabilities during the year ended December 31, 2022 consisted primarily of increases of accrued expenses of $1.6 million, partially offset by decreases of other items, net, of $0.3 million. Investing activities.
Our share of these fees and costs is equal to the total amount of such fees and costs divided by the total number of Incept’s exclusive licensees of the patent application.
Our share of these fees and costs is equal to the total amount of such fees and costs divided by the total number of Incept’s exclusive licensees of the patent application. We have not included in the table above any payments to Incept under this license agreement as the amount, timing and likelihood of such payments are not known.
We borrowed the full amount of $82.5 million at closing and received proceeds of $77.3 million, after the application of an original issue discount and fees.
In August 2023, we entered into the Barings Credit Agreement with Barings as administrative agent, and the lenders party thereto, providing for the Barings Credit Facility in the aggregate principal amount of $82.5 million. We borrowed the full amount of $82.5 million at closing and received proceeds of $77.3 million, after the application of an original issue discount and fees.
Our program for retinal disease is led by AXPAXLI (axitinib intravitreal implant, also known as OTX-TKI), which is based on our ELUTYX proprietary bioresorbable hydrogel-based formulation technology.
Overview Our Company We are a biopharmaceutical company committed to redefining the retina experience. AXPAXLI (axitinib intravitreal hydrogel, also known as OTX-TKI), our product candidate for retinal disease, is based on our proprietary ELUTYX bioresorbable hydrogel-based formulation technology.
Net cash provided by financing activities for the year ended December 31, 2021 was $2.9 million and consisted primarily of $3.7 million, net, of proceeds in borrowings under our Credit Facility, proceeds from the exercise of stock options of $2.6 million; and proceeds from the issuance of common stock pursuant to our employee stock purchase plan of $1.0 million offset by payments on notes payable of $4.2 million.
Net cash provided by financing activities for the year ended December 31, 2024 was $332.1 million and consisted of total net proceeds from the issuance of common stock and pre-funded warrants in a private placement of approximately $316.4 million, proceeds from the exercise of stock options of $14.7 million, and proceeds from issuing shares under our Employee Stock Purchase Plan, or ESPP, of $1.0 million.
Net cash generated by changes in our operating assets and liabilities during the year ended December 31, 2022 consisted primarily of an increase of $1.6 million in accrued expenses, an increase in deferred revenue of $1.0 million and a decrease of prepaid expenses of $0.7 million partially offset by increase in inventory of $0.7 million, decrease in accounts payable of $0.6 million and an increase of accounts receivable of $0.2 million. 118 Table of Contents Net cash used in operating activities was $65.6 million for the year ended December 31, 2021, primarily resulting from our net loss of $6.6 million, adjusted for changes in the fair value of our derivative liabilities of $78.1 million, partially offset by $19.1 million of other non-cash items and changes in operating assets and liabilities.
Net cash used by net unfavorable changes in our operating assets and liabilities during the year ended December 31, 2024 consisted primarily of increases of accounts receivable of $6.2 million, resulting from increased sales of DEXTENZA, and increases of prepaid expenses and other current assets of $5.7 million, resulting predominantly from our clinical development activities, partially offset by other decreases, net, of $1.6 million. 118 Table of Contents Net cash used in operating activities was $70.2 million for the year ended December 31, 2023, primarily resulting from our net loss of $80.7 million and net unfavorable changes in operating assets and liabilities of $7.4 million, partially offset by non-cash adjustments of $17.9 million.
General and Administrative Expenses General and administrative expenses consist primarily of salaries and related costs, including stock-based compensation, for personnel in executive, finance, information technology, human resources and administrative functions. General and administrative expenses also include insurance, facility-related costs and professional fees for legal, patent, consulting and accounting and audit services. Other Income (Expense) Interest Expense .
General and administrative expenses also include insurance, facility-related costs and professional fees for legal, patent, consulting and accounting and audit services. Other Income (Expense) Interest Expense . Interest expense is incurred on our debt.
Our clinical portfolio also includes PAXTRAVA (travoprost intracameral implant, also known as OTX-TIC), which is currently in Phase 2 clinical development for the treatment of primary open-angle glaucoma, or OAG, or ocular hypertension, or OHT. Our expertise in the formulation, development and commercialization of innovative therapies and our ELUTYX platform supported the development and launch of our first commercial drug product, DEXTENZA, a corticosteroid approved by the U.S.
We also leverage the ELUTYX technology in our commercial product DEXTENZA, an FDA-approved corticosteroid for the treatment of ocular inflammation and pain following ophthalmic surgery and for the treatment of ocular itching associated with allergic conjunctivitis, and our product candidate PAXTRAVA (travoprost intracameral hydrogel also known as OTX-TIC), which is currently in a Phase 2 clinical trial for the treatment of open-angle glaucoma, or OAG, or ocular hypertension, or OHT.
Purchaser/Provider Discounts and Rebates —We offer rebate payments for which ASCs, HOPDs and other prescribers qualify by meeting quarterly purchase volumes of DEXTENZA under our volume-based rebate program. We calculate rebate payment amounts due under this program quarterly, based on actual qualifying purchases and apply a contractual discount rate.
We calculate rebate payment amounts due under this program quarterly, based on actual qualifying purchases and apply a contractual discount rate.
The total gross proceeds of the public offering were approximately $115.1 million, before deducting underwriting discounts and commissions and other offering expenses payable by us, resulting in net proceeds of approximately $107.7 million. In 2023, we sold 1,514,926 shares of our common stock under our Open Market Sale Agreement with Jefferies LLC, or Jefferies, resulting in gross proceeds to us of $9.9 million, and net proceeds, after accounting for issuance costs, of $9.5 million. 2023 Debt Financing In August 2023, we entered into a credit and security agreement, or the Barings Credit Agreement, with Barings Finance LLC, or Barings, as administrative agent, and the lenders party thereto, providing for a secured term loan facility for us, or the Barings Credit Facility, in the aggregate principal amount of $82.5 million.
In August 2023, we entered into a credit and security agreement, or the Barings Credit Agreement, with Barings Finance LLC, or Barings, as administrative agent, and the lenders party thereto, providing for a secured term loan facility, or the Barings Credit Facility, in the aggregate principal amount of $82.5 million.
Our other non-cash items during the year ended December 31, 2023 consisted primarily of $17.8 million of stock-based compensation expense, $6.1 million in non-cash interest expense, and $3.0 million in depreciation and amortization expense, partially offset by $7.4 million unfavorable changes in our operating assets and liabilities.
Non-cash adjustments primarily include stock-based compensation expense of $17.0 million, non-cash income related to changes in the fair value of our derivative liabilities of $13.8 million, non-cash interest expense of $4.9 million, and depreciation and amortization expense of $2.1 million.
These employees work across multiple development programs and, therefore, we do not track their costs by program. 109 Table of Contents The successful development and commercialization of our products or product candidates is highly uncertain.
The successful development and commercialization of our products or product candidates is highly uncertain.
These contracts generally provide for termination on notice, and therefore are cancelable contracts which are not included in contractual obligations and commitments. 119 Table of Contents Operating lease commitments represent payments due under our leases of office, laboratory and manufacturing space in Bedford, Massachusetts and certain office equipment under operating leases that expire in March 2024, July 2027, and July 2028.
Operating lease commitments represent payments due under our leases of office, laboratory and manufacturing space in Bedford, Massachusetts that expire in July 2027 and July 2028, and leases of equipment that expire between 2026 and 2028. The commitments under the Barings Credit Agreement represent repayment of principal only.
We anticipate that our research and development expenses will increase in the future as we support our continued development of our product candidates. Selling and Marketing Expenses Selling and marketing expenses consist primarily of salaries and related costs for personnel in selling and marketing functions as well as consulting, advertising and promotion costs.
Selling and Marketing Expenses Selling and marketing expenses consist primarily of salaries and related costs for personnel in selling and marketing functions as well as consulting, advertising and promotion costs. 110 Table of Contents General and Administrative Expenses General and administrative expenses consist primarily of salaries and related costs, including stock-based compensation, for personnel in executive, finance, information technology, human resources and administrative functions.
The increase of $7.2 million is related to timing and conduct of our various clinical trials for our product candidates, including the initiation of the SOL-1 trial and the HELIOS trial, and development activities related to our preclinical programs.
The increase of $45.7 million is related to timing and conduct of our various clinical trials for our product candidates, including the progression of the SOL-1 trial, which was fully randomized by December 2024, the initiation of the SOL-R trial, the completion of the HELIOS trial, and development activities related to our preclinical programs. 113 Table of Contents We expect that direct research and development expenses for our products and product candidates will increase significantly for 2025 as we progress with the SOL-1 and the SOL-R trials; complete our other ongoing clinical trials; and initiate any other clinical trials of our product candidates that we might determine in the future to conduct, partially offset by reduced costs related to preclinical programs as a result of the Strategic Restructuring.
We recognized a gain from accounting for the modification of the Convertible Notes as an extinguishment of $14.9 million, partially offset by a loss from extinguishment of the MidCap Credit Facility of $0.7 million.
The net gain for the year ended December 31, 2023 results from the accounting for the Convertible Notes Amendment, which resulted in a non-cash gain on extinguishment of debt of $14.9 million, and for the extinguishment of our obligations under the MidCap Credit Agreement, which resulted in a loss on extinguishment of debt of $0.7 million.
Each pre-funded warrant has an exercise price of $0.001 per share, is currently exercisable and will remain exercisable until exercised in full. Funding Requirements We have a history of incurring significant operating losses. Our net losses were $80.7 million, $71.0 million, and $6.6 million for the years ended December 31, 2023, 2022 and 2021, respectively.
Our net losses were $193.5 million, $80.7 million, and $71.0 million for the years ended December 31, 2024, 2023 and 2022, respectively. As of December 31, 2024, we had an accumulated deficit of $891.1 million.
The final rule confirms that DEXTENZA will continue to be separately reimbursed by Medicare in the ambulatory surgical center, or ASC, setting under the non-opioid pain provision; and that CPT 68841, the code that describes the insertion of DEXTENZA, maintains a Q1 status indicator. We believe that DEXTENZA is currently used in less than 5% of cataract procedures and that commercial growth may be driven by a continued focus on sales to ASCs, specifically strategic accounts that own and control multiple ASCs. 2024 Private Placement In February 2024, concurrent with the Board of Directors and Leadership Updates detailed above, we sold 32,413,560 shares of our common stock at $7.52 per share and, in lieu of common stock to certain investors, pre-funded warrants to purchase up to an aggregate of 10,805,957 shares of our common stock at a price of $7.519 per pre-funded warrant for aggregate gross proceeds of approximately $325.0 million, before deducting placement agent fees and other offering expenses, or the 2024 Private Placement.
We completed the Strategic Restructuring, recorded the related restructuring charges of $1.6 million, resulting primarily from garden leaves and severance benefits, and paid all previously accrued restructuring charges in the year ended December 31, 2024. 2024 Private Placement In February 2024, we sold in a private placement 32,413,560 shares of our common stock at $7.52 per share and, in lieu of common stock to certain investors, pre-funded warrants to purchase up to an aggregate of 10,805,957 shares of our common stock at a price of $7.519 per pre-funded warrant for total net proceeds to us of approximately $316.4 million, after deducting placement agent fees and other offering expenses, or the 2024 Private Placement.
Our other non-cash items during the year ended December 31, 2021 consisted primarily of $15.0 million of stock-based compensation expense, $4.6 million in non-cash interest expense, and $2.4 million in depreciation and amortization expense, partially offset by $2.9 million unfavorable changes in our operating assets and liabilities.
Non-cash adjustments primarily include a net gain on extinguishment of debt of $14.2 million, stock-based compensation expense of $17.8 million, non-cash interest expense of $6.1 million, non-cash expenses related to changes in the fair value of our derivative liabilities of $5.2 million, and depreciation and amortization expense of $3.0 million.
The net gain for 2022 results solely from the change in the fair value of the derivative liability related to the Conversion Option. We cannot predict how the fair value of the derivative liabilities will change in 2024 and beyond. Gains and losses on extinguishment of debt, net.
The net loss for 2024 comprises of a gain of $2.6 million from the change in the fair value of the Conversion Option Derivative Liability, a loss of $0.9 million from the change in the fair value of the Royalty Fee Derivative Liability, and an expense of $2.2 million related to royalty fees under the Barings Credit Agreement that we paid or accrued.