Biggest changeUtilization of the net operating loss carryforwards may be subject to an annual limitation according to Section 382 of the Internal Revenue Code of 1986, as amended, and similar provisions. 83 Results of Operations for the Years Ended December 31, 2022 and 2021 The following table summarizes our results of operations for the years ended December 31, 2022 and 2021 (in thousands): For the Year Ended December 31, 2022 2021 Change Collaboration revenue $ 9,032 $ 12,000 $ (2,968 ) Expenses: Research and development 12,198 15,929 (3,731 ) General and administrative 17,405 26,979 (9,574 ) Cost of collaboration revenue 725 — 725 Total expenses 30,328 42,908 (12,580 ) Loss from operations (21,296 ) (30,908 ) 9,612 Other (expense) income: Interest income 476 123 353 Interest expense (2,172 ) (4,295 ) 2,123 Loss on extinguishment of debt (1,437 ) — (1,437 ) Other expense (58 ) — (58 ) Total other expense, net (3,191 ) (4,172 ) 981 Net loss $ (24,487 ) $ (35,080 ) $ 10,593 Collaboration Revenue Collaboration revenue was $9.0 million for the year ended December 31, 2022, compared to $12.0 million for the year ended December 31, 2021.
Biggest changeUtilization of the net operating loss carryforwards may be subject to an annual limitation according to Section 382 of the Internal Revenue Code of 1986, as amended, and similar provisions. 79 Results of Operations for the Years Ended December 31, 2023 and 2022 The following table summarizes our results of operations (in thousands): For the Year Ended December 31, 2023 2022 Change Revenue: Product revenue, net $ 4,658 $ — $ 4,658 Collaboration revenue 466 9,032 (8,566 ) Total revenue 5,124 9,032 (3,908 ) Operating expenses: Selling, general and administrative 47,305 17,405 29,900 Research and development 20,295 12,198 8,097 Loss on disposal of assets 2,537 — 2,537 Cost of product revenue 289 — 289 Cost of collaboration revenue 457 725 (268 ) Total operating expenses 70,883 30,328 40,555 Loss from operations (65,759 ) (21,296 ) (44,463 ) Other income (expense): Interest income 2,740 476 2,264 Interest expense (3,962 ) (2,172 ) (1,790 ) Loss on extinguishment of debt — (1,437 ) 1,437 Other expense (14 ) (58 ) 44 Total other expense, net (1,236 ) (3,191 ) 1,955 Net loss $ (66,995 ) $ (24,487 ) $ (42,508 ) Product Revenue, Net Product revenue, net was $4.7 million for the year ended December 31, 2023, and relates to the delivery of YCANTH (VP-102) to FFF, our distribution partner.
Financing Activities During the year ended December 31, 2022, net cash used in financing activities was $16.9 million, which was primarily related to the voluntary repayment of outstanding debt of $43.8 million partially offset by proceeds from issuance of common stock, net of issuance costs of $26.9 million.
During the year ended December 31, 2022, net cash used in financing activities was $16.9 million, which was primarily related to the voluntary repayment of outstanding debt of $43.8 million partially offset by proceeds from issuance of common stock, net of issuance costs of $26.9 million.
This uncertainty is due to the numerous risks and uncertainties associated with the duration and cost of clinical trials, which vary significantly over the life of a project as a result of many factors, including: • the number of clinical sites included in the trials; • the length of time required to enroll suitable patients; • the number of patients that ultimately participate in the trials; • the number of doses patients receive; • the duration of patient follow-up; and • the results of our clinical trials.
This uncertainty is due to the numerous risks and uncertainties associated with the duration and cost of clinical trials, which vary significantly over the life of a project as a result of many factors, including: • the number of clinical sites included in the trials; • the length of time required to enroll suitable patients; 78 • the number of patients that ultimately participate in the trials; • the number of doses patients receive; • the duration of patient follow-up; and • the results of our clinical trials.
We have financed our operations since inception through sales of our convertible preferred stock, the sale of our common stock in our IPO, receiving aggregate gross proceeds of $123.2 million and most recently, $28.1 and $26.9 million in net proceeds from issuance of common stock in follow-on offerings in March 2021 and July 2022, respectively, and $20.0 million from the Torii Agreement.
We have financed our operations since inception primarily through sales of our convertible preferred stock, the sale of our common stock in our IPO, receiving aggregate gross proceeds of $123.2 million and most recently, $28.1 and $26.9 million in net proceeds from issuance of common stock in follow-on offerings in March 2021 and July 2022, respectively, and $20.0 million from the Torii Agreement.
Factors that could cause or contribute to these differences include those discussed below and elsewhere in this Annual Report, particularly in Item 1A. “Risk Factors” and “Special Note Regarding Forward‑Looking Statements.” Overview We are a dermatology therapeutics company developing medications for skin diseases requiring medical intervention .
Factors that could cause or contribute to these differences include those discussed below and elsewhere in this Annual Report, particularly in Item 1A. “Risk Factors” and “Special Note Regarding Forward‑Looking Statements.” Overview We are a dermatology therapeutics company developing and selling medications for skin diseases requiring medical intervention.
Cash in excess of immediate requirements is invested in accordance with our investment policy, primarily with a view to liquidity and capital preservation. In addition, we have an operating lease for office space in West Chester with obligations through September 1, 2027 of $1.8 million including imputed interest.
Cash in excess of immediate requirements is invested in accordance with our investment policy, primarily with a view to liquidity and capital preservation. In addition, we have an operating lease for office space in West Chester, PA with obligations through September 1, 2027 of $1.4 million including imputed interest.
Additionally, all upfront fees and milestone-based payments received by us from a sublicensee will be treated as net sales and will be subject to the royalty payment obligations under the Lytix Agreement, and all royalties received by us from a sublicensee shall be shared with Lytix at a rate that is initially 50% but decreases based on the stage of development of VP -315 at the time such sublicense is granted. 88 I TEM 7A.
Additionally, all upfront fees and milestone-based payments received by us from a sublicensee will be treated as net sales and will be subject to the royalty payment obligations under the Lytix Agreement, and all royalties received by us from a sublicensee shall be shared with Lytix at a rate that is initially 50% but decreases based on the stage of development of VP -315 at the time such sublicense is granted.
Identifying potential product candidates and conducting preclinical studies and clinical trials is a time-consuming, expensive and uncertain process that takes many years to complete, and we may never generate the necessary data or results required to obtain marketing approval and achieve product sales. In addition, our product candidates, if approved, may not achieve commercial success.
Identifying potential product candidates and conducting preclinical studies and clinical trials is a time-consuming, expensive and uncertain process that takes many years to complete, and we may never generate the necessary data or results required to obtain marketing approval and achieve product sales. In addition, YCANTH (VP-102), and our other product candidates, if approved, may not achieve commercial success.
As of December 31, 2022, we had minimal or no liabilities denominated in foreign currencies. Inflation generally affects us by increasing our cost of labor and clinical trial costs. We do not believe that inflation had a material effect on our business, financial condition or results of operations during the year ended December 31, 2022. 89
As of December 31, 2023, we had minimal or no liabilities denominated in foreign currencies. Inflation generally affects us by increasing our cost of labor and clinical trial costs. We do not believe that inflation had a material effect on our business, financial condition or results of operations during the year ended December 31, 2023. 88
We anticipate that our expenses will increase significantly in connection with our ongoing activities, as we: • continue our ongoing clinical program evaluating VP-315 for the treatment of basal cell carcinoma and potentially additional dermatological oncology indications; • initiate clinical trials evaluating VP-102 for the treatment of external genital warts; • continue our ongoing clinical programs evaluating VP-102 for the treatment of common warts as well as initiate and complete additional clinical trials, as needed; • initiate clinical trials evaluating VP-103 for the treatment of plantar warts; 80 • pursue regulatory approvals for VP-102 for the treatment of molluscum, and eventually for the treatment of external genital warts, common warts or any other indications we may pursue for VP-102, as well as for VP-103 or VP -315; • seek to discover and develop additional product candidates; • ultimately establish a commercialization infrastructure and scale up external manufacturing and distribution capabilities to commercialize any product candidates for which we may obtain regulatory approval, including VP-102, VP- 315 and VP-103; • seek to in-license or acquire additional product candidates for other dermatological conditions; • adapt our regulatory compliance efforts to incorporate requirements applicable to marketed products; • maintain, expand and protect our intellectual property portfolio; • hire additional clinical, manufacturing and scientific personnel; • add operational, financial and management information systems and personnel, including personnel to support our product development and planned future commercialization efforts; and • incur additional legal, accounting and other expenses in operating as a public company.
We anticipate that our expenses will increase significantly in connection with our ongoing activities, as we: • continue commercialization of YCANTH (VP-102) for the treatment of molluscum contagiosum; • continue our ongoing clinical program evaluating VP-315 for the treatment of basal cell carcinoma and potentially additional dermatological oncology indications; • continue our ongoing clinical programs evaluating YCANTH (VP-102) for the treatment of external genital warts and common warts, as well as initiate and complete additional clinical trials, as needed; • initiate clinical trials evaluating VP-103 for the treatment of plantar warts; • pursue regulatory approvals for YCANTH (VP-102) for the treatment of common warts, external genital warts, or any other indications we may pursue for YCANTH (VP-102), as well as for VP-103 or VP -315; • seek to discover and develop additional product candidates; • further establish a commercialization infrastructure and scale up external manufacturing and distribution capabilities to commercialize YCANTH (VP-102) for the treatment of molluscum contagiosum and any other product candidates for which we may obtain regulatory approval, including YCANTH for external genital warts and common warts, VP- 315 and VP-103; • seek to in-license or acquire additional product candidates for other dermatological conditions; • adapt our regulatory compliance efforts to incorporate requirements applicable to marketed products; • maintain, expand and protect our intellectual property portfolio; • hire additional commercial, administrative, clinical, manufacturing and scientific personnel; • add operational, financial and management information systems and personnel, including personnel to support our product development and planned commercialization efforts; and • incur additional legal, accounting and other expenses while operating as a public company.
Results of Operations for Years Ended December 31, 2021 and 2020 For a discussion and analysis of changes in financial condition and results of operations for the year ended December 31, 2021 as compared to the year ended December 31, 2020, refer to our Annual Report on Form 10-K for the fiscal year ended December 31, 2021, filed with the SEC on March 3, 2022.
Results of Operations for Years Ended December 31, 2022 and 2021 For a discussion and analysis of changes in financial condition and results of operations for the year ended December 31, 2022 as compared to the year ended December 31, 2021, refer to our Annual Report on Form 10-K for the fiscal year ended December 31, 2022, filed with the SEC on March 6, 2023.
We expect our research and development expenses to increase over the next several years as we increase personnel costs, including stock-based compensation, initiate and conduct clinical trials of VP-102 in patients with external genital warts, VP-102 in patients with common warts, VP-315 for dermatological oncology indications,VP-103 in patients with plantar warts, and conduct other clinical trials and prepare regulatory filings for our product candidates. 82 The successful development of our product candidates is highly uncertain.
We expect our research and development expenses to increase over the next several years as we increase personnel costs, including stock-based compensation, initiate and conduct clinical trials of YCANTH (VP-102) in patients with common warts, YCANTH (VP-102) in patients with external genital warts, VP-315 for dermatological oncology indications,VP-103 in patients with plantar warts, and conduct other clinical trials and prepare regulatory filings for our product candidates.
The shares of common stock were sold at a price of $6.75 per share and the pre-funded warrants were sold at a price of $6.7499 per pre-funded warrant, resulting in total net proceeds of $30.1 million, after deducting underwriting discounts and commissions, and offering expenses. As of December 31, 2022, we had cash and cash equivalents of $34.3 million.
The shares of common stock were sold at a price of $6.75 per share and the pre-funded warrants were sold at a price of $6.7499 per pre-funded warrant, resulting in total net proceeds of $30.3 million, after deducting underwriting discounts and commissions, and offering expenses. As of December 31, 2023, we had cash and cash equivalents of $69.5 million.
Loss on Extinguishment of Debt For the year ended December 31, 2022, we recognized a $1.4 million loss on debt extinguishment which was made up entirely of non-cash unamortized debt issuance costs as a result of the voluntary repayment of the Mezzanine Loan Agreement on July 11, 2022.
Loss on Extinguishment of Debt For the year ended December 31, 2022, we recognized a $1.4 million loss on debt extinguishment which consisted of non-cash unamortized debt issuance costs as a result of the voluntary repayment of the Mezzanine Loan Agreement on July 11, 2022.
As of December 31, 2022, we had federal and state net operating loss carryforwards of approximately $118.1 million and $120.7 million, respectively. The federal net operating loss carryforwards included in the foregoing totals that were generated prior to 2018 (federal of approximately $6.9 million) will begin to expire, if not utilized, by 2033.
As of December 31, 2023, we had federal and state net operating loss carryforwards of approximately $149.6 million and $152.1 million, respectively. The federal net operating loss carryforwards included in the foregoing totals that were generated prior to 2018 (federal of approximately $6.9 million) will begin to expire, if not utilized, by 2033.
Our future capital requirements will depend on many factors, including: • the costs, timing and outcome of regulatory review of our product candidates; • the scope, progress, results and costs of our clinical trials; • the scope, prioritization and number of our research and development programs; • the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims; • our ability to maintain compliance with covenants under our loan agreements; • the extent to which we acquire or in-license other product candidates and technologies; • the impact on the timing of our clinical trials and our business due to the COVID-19 pandemic; • the costs to scale up and secure manufacturing arrangements for commercial production; and • the costs of establishing or contracting for sales and marketing capabilities if we obtain regulatory approvals to market our product candidates.
Our future capital requirements, and timing, will depend on many factors, including: • the level of sales achieved, and costs related to the commercialization of YCANTH (VP-102); • the costs, timing and outcome of regulatory review of our product candidates; • the scope, progress, results and costs of our clinical trials; • the scope, prioritization and number of our research and development programs; • the costs of preparing, filing and prosecuting patent applications, maintaining and enforcing our intellectual property rights and defending intellectual property-related claims; • our ability to maintain compliance with covenants under our loan agreements; • the extent to which we acquire or in-license other product candidates and technologies; • the impact on the timing of our clinical trials and our business; • the costs to scale up and secure manufacturing arrangements for commercial production of YCANTH for the treatment of molluscum contagiosum and any product candidate we successfully commercialize; and • the costs of establishing or contracting for sales and marketing capabilities for YCANTH for the treatment of molluscum contagiosum and if we obtain regulatory approvals to market our product candidates.
At this time, we cannot reasonably estimate or know the nature, timing and costs of the efforts that will be necessary to complete the remainder of the development of, or when, if ever, material net cash inflows may commence from our product candidates.
The successful development of our product candidates is highly uncertain. At this time, we cannot reasonably estimate or know the nature, timing and costs of the efforts that will be necessary to complete the remainder of the development of, or when, if ever, material net cash inflows may commence from YCANTH (VP-102) or our other product candidates.
Our ability to raise additional capital may be adversely impacted by potential worsening global economic conditions and the recent disruptions to, and volatility in, the credit and financial markets in the United States and worldwide resulting from the ongoing COVID-19 pandemic.
Our ability to raise additional capital may be adversely impacted by potential worsening global economic conditions and the disruptions to, and volatility in, the credit and financial markets in the United States and worldwide.
For the years ended December 31, 2022 and 2021, our net loss was $24.5 million and $35.1 million, respectively. As of December 31, 2022, we had an accumulated deficit of $163.5 million. We expect to continue to incur significant expenses and operating losses for the foreseeable future.
For the years ended December 31, 2023 and 2022, our net loss was $67.0 million and $24.5 million, respectively. As of December 31, 2023, we had an accumulated deficit of $230.4 million. We expect to continue to incur significant expenses and operating losses for the foreseeable future.
Collaboration revenue represents revenue from the Torii Agreement pursuant to which we granted Torii an exclusive license to develop and commercialize our product candidates that contain a topical formulation of cantharidin for the treatment of molluscum contagiosum and common warts in Japan including VP-102.
Variance between actual amounts and estimated amounts may result in prospective adjustments to reported net product revenue. 77 Collaboration Revenue Collaboration revenue represents revenue from the Torii Agreement pursuant to which we granted Torii an exclusive license to develop and commercialize our product candidates that contain a topical formulation of cantharidin for the treatment of molluscum contagiosum and common warts in Japan, including YCANTH (VP-102).
Liquidity and Capital Resources Overview Since our inception, we have not generated any product revenue and have incurred net losses and negative cash flows from our operations.
Liquidity and Capital Resources Overview 81 Since our inception, we have incurred net losses and negative cash flows from our operations.
Research and Development Expenses Research and development expenses were $12.2 million for the year ended December 31, 2022, compared to $15.9 million for the year ended December 31, 2021.
Research and Development Expenses Research and development expenses were $20.3 million for the year ended December 31, 2023, compared to $12.2 million for the year ended December 31, 2022.
Funding Requirements We expect our expenses to increase in connection with our ongoing activities, particularly as we continue the research and development of, continue or initiate clinical trials of, and seek marketing approval for our product candidates.
While we expect to generate revenue from the sale of YCANTH (VP-102), we expect our expenses to increase in connection with our ongoing activities, particularly as we initiate commercialization of YCANTH (VP-102) and continue the research and development of, continue or initiate clinical trials of, and seek marketing approval for, our product candidates.
In connection with entering the Lytix Agreement, we made an initial payment of $250,000 and additional payments of $3.3 million upon the achievement by Lytix of certain regulatory milestones.
In connection with entering the Lytix Agreement, we made an initial payment of $250,000 and additional payments of $2.3 million during the year ended December 31, 2021 and $1.0 million during the year ended December 31, 2022 upon the achievement by Lytix of certain regulatory milestones.
During the year ended December 31, 2021, operating activities used $27.6 million of cash, primarily resulting from a net loss of $35.1 million and noncash stock-based compensation of $6.1 million and non-cash interest expense of $1.4 million.
During the year ended December 31, 2022, operating activities used $18.7 million of cash, primarily resulting from a net loss of $24.5 million and noncash stock-based compensation of $5.0 million and non-cash interest expense of $0.4 million.
We anticipate that our general and administrative expenses, including payroll and related expenses, will increase in the future as we continue to increase our headcount to support the expected growth in our business, expand our operations and organizational capabilities, and prepare for potential commercialization of VP-102 for the treatment of molluscum, if successfully developed and approved.
We anticipate that our selling, general and administrative expenses, including payroll and related expenses, will increase in the future as we continue to increase our headcount to support the expected growth in our business, expand our operations and organizational capabilities, and continue to commercialize YCANTH (VP-102).
During the year ended December 31, 2021, net cash used in investing activities was related to the purchase of marketable securities of $68.9 million and purchases of property and equipment of $0.9 million, partially offset by the sales and maturities of marketable securities of $69.0 million.
During the year ended December 31, 2022, net cash provided by investing activities was related to the sales and maturities of marketable securities of $59.0 million partially offset by purchases of marketable securities of $4.5 million and purchases of property and equipment of $0.3 million.
Other Contractual Obligations and Commitments On August 7, 2020, we entered into an exclusive license agreement, or the Lytix Agreement, with Lytix, pursuant to which we obtained a worldwide, exclusive, royalty-bearing license, with the right to sublicense, for certain technology of Lytix to research, develop, manufacture, have manufactured, use, sell, have sold, offer for sale, import and otherwise commercialize VP -315 for use in all malignant and pre-malignant dermatological indications, other than metastatic melanoma and metastatic Merkel cell carcinoma.
If we are unable to raise additional funds through equity or debt financings when needed, we may be required to delay, limit, reduce or terminate our product development or future commercialization efforts or grant rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves. 84 Other Contractual Obligations and Commitments On August 7, 2020, we entered into an exclusive license agreement, or the Lytix Agreement, with Lytix, pursuant to which we obtained a worldwide, exclusive, royalty-bearing license, with the right to sublicense, for certain technology of Lytix to research, develop, manufacture, have manufactured, use, sell, have sold, offer for sale, import and otherwise commercialize VP -315 for use in all malignant and pre-malignant dermatological indications, other than metastatic melanoma and metastatic Merkel cell carcinoma.
The cost of collaboration revenue during 2022 consisted of payments for manufacturing supply to support development and testing services pursuant to the Torii Clinical Supply Agreement. Interest Income Interest income for the years ended December 31, 2022 and 2021 consisted of interest earned on our cash, cash equivalents and marketable securities.
The cost of collaboration revenue during 2023 and 2022 consisted of payments for manufacturing supply to support development and testing services pursuant to the Torii Clinical Supply Agreement. Interest Income Interest income was $2.7 million and $0.5 million for the years ended December 31, 2023 and 2022, respectively.
For further discussion of the potential impacts of macroeconomic events on our business, financial condition, and operating results, see the section titled “Risk Factors.” Critical Accounting Estimates The preparation of our financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of our financial statements, as well as the reported revenues and expenses during the reported periods.
Critical Accounting Estimates The preparation of our financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of our financial statements, as well as the reported revenues and expenses during the reported periods.
Our commercial revenues, if any, will be derived from sales of a product candidate that we do not expect to be commercially available in the near term, if at all. We may need to continue to rely on additional financing to achieve our business objectives.
Our commercial revenues will be derived solely from sales of YCANTH (VP-102) in the near term. We may need to continue to rely on additional financing to achieve our business objectives. Adequate additional financing may not be available to us on acceptable terms, or at all.
Upon entering into the Loan Agreements, we borrowed $35.0 million in term loans, or the Term A Loan, from the Mezzanine Lenders.
On March 10, 2020, we entered into a mezzanine loan and security agreement and a loan and security agreement, or the Loan Agreements, with Silicon Valley Bank. Upon entering into the Loan Agreements, we borrowed $35.0 million in term loans, or the Term A Loan, from the Mezzanine Lenders.
General and Administrative Expenses General and administrative expenses consist principally of salaries and related costs for personnel in executive and administrative functions, including stock-based compensation, travel expenses and recruiting expenses. Other general and administrative expenses include market research costs, insurance costs, and professional fees for audit, tax and legal services.
Operating Expenses Selling, General and Administrative Expenses Selling, general and administrative expenses consist principally of salaries and related costs for personnel in sales, executive and administrative functions, including stock-based compensation, travel expenses and recruiting expenses.
We also anticipate increased expenses associated with general operations, including costs related to audit, tax and legal services, director and officer insurance premiums, and investor relations costs. Cost of Collaboration Revenue The costs of collaboration revenue consists of payments for manufacturing supply to support development and testing services pursuant to the Torii Clinical Supply Agreement.
We also anticipate increased expenses associated with general operations, including costs related to audit, tax and legal services, director and officer insurance premiums, and investor relations costs.
Pursuant to the exercise of the license option in March 17, 2021 per the Torii Agreement we recognized revenue of $12.0 million for the year ended December 31, 2021 comprised of an up-front payment of $0.5 million received in December 2020 and $11.5 million payment paid in April 2021.
For the year ended December 31, 2022, we also recognized an $8.0 million milestone payment pursuant to the exercise of the license option in March 17, 2021 per the Torii Agreement as a component of collaboration revenue.
As of December 31, 2022, we did not make any material adjustments to our prior estimates of accrued research and development expenses. 81 JOBS Act In April 2012, the Jumpstart Our Business Startups Act of 2012, or the JOBS Act, was enacted.
As of December 31, 2023, we did not make any material adjustments to our prior estimates of accrued research and development expenses.
We believe that our existing cash and cash equivalents as of December 31, 2022, plus the net proceeds from the February 2023 offering of common stock and pre-funded warrants of $30.1 million will be sufficient to support our planned operations into the first quarter of 2024. Since inception, we have incurred significant operating losses.
As of December 31, 2023, we had cash and cash equivalents of $69.5 million. We believe that our existing cash and cash equivalents as of December 31, 2023, will be sufficient to support our planned operations into the second quarter of 2025. 76 Since inception, we have incurred significant losses.
During the year ended December 31, 2021, net cash provided by financing activities was $33.6 million, which was primarily related to the proceeds from issuance of common stock, net of issuance costs of $28.1 million and proceeds from debt, net of issuance costs of $5.0 million.
Financing Activities During the year ended December 31, 2023, net cash provided by financing activities was $74.2 million, was primarily related to net cash proceeds of $44.1 million from the OrbiMed Credit Agreement and proceeds of $30.3 million, net of issuance costs from the issuance of common stock and pre-funded warrants.
Our current product pipeline consists of three product candidates: (i) VP-102, a propriety drug-device combination that contains a GMP-controlled formulation of cantharidin which is being developed for potential use in treating molluscum contagiosum, external genital warts and common warts, (ii) VP-315, an oncolytic peptide-based injectable therapy for the potential treatment of dermatology oncologic conditions, including basal cell carcinoma, and (iii) VP-103, a second cantharidin based drug device combination for the potential treatment of plantar warts.
Our two additional product candidates are: (i) VP-315 an oncolytic peptide-based injectable therapy for the potential treatment of dermatology oncologic conditions, including basal cell carcinoma, and (ii) VP-103, a second cantharidin based drug device combination for the potential treatment of plantar warts.
In addition, if we obtain marketing approval for any of our product candidates, we expect to incur significant commercialization expenses related to sales, marketing, manufacturing and distribution. Furthermore, we expect to incur additional costs associated with operating as a public company. Accordingly, we may need to obtain additional funding in connection with our continuing operations.
Following the approval of YCANTH (VP-102), for the treatment of molluscum contagiosum, we expect to incur significant commercialization expenses related to sales, marketing, manufacturing and distribution. Furthermore, we expect to incur additional costs associated with operating as a public company. We will need substantial additional financing to fund our operations.
If we are unable to raise capital when needed or on attractive terms, we would be forced to delay, reduce or eliminate our research and development programs or future commercialization efforts.
If we are unable to raise capital when needed or on attractive terms, we would be forced to delay, reduce or eliminate our research and development programs or future commercialization efforts. 83 We believe that our existing cash and cash equivalents as of $69.5 million as of December 31, 2023 will be sufficient to support our planned operations into the second quarter of 2025.
Operating Expenses Research and Development Expenses Research and development expenses consist of expenses incurred in connection with the discovery and development of our product candidates. We expense research and development costs as incurred.
Research and Development Expenses Research and development expenses consist of expenses incurred in connection with the discovery and development of YCANTH (VP-102) for the treatment of molluscum contagiosum, potential follow-on indications for YCANTH (VP-102), including external genital warts and common warts, and our other product candidates. We expense research and development costs as incurred.
Our strategy is to advance VP-102 through regulatory approval and self-commercialize in the United States for the treatment of several skin diseases. We intend to build a specialized sales organization in the United States focused on pediatric dermatologists, dermatologists, and select pediatricians.
We commercially launched YCANTH (VP-102) in August 2023 in the United States for the treatment of molluscum contagiosum. We have built a specialized sales organization in the United States focused on pediatric dermatologists, dermatologists, and select pediatricians. We also plan to advance YCANTH (VP-102) for common warts and external genital warts through a separate regulatory approval process.
We recognized billed and unbilled collaboration revenue of $0.9 million and $0.1 million, respectively for the year ended December 31, 2022, related to supplies and development activity pursuant to this agreement.
Revenue of $0.5 million and $1.0 million, respectively, for the years ended December 31, 2023 and 2022 was related to supplies and development activity provided to Torii pursuant to the Clinical Supply Agreement entered into on March 7, 2022.
In the future, we also intend to develop VP-102 for commercialization in additional geographic regions, either alone or together with a strategic partner. Since our inception in 2013, our operations have focused on developing VP-102, organizing and staffing our company, business planning, raising capital, establishing our intellectual property portfolio and conducting clinical trials.
Since our inception in 2013, our operations have focused on developing YCANTH (VP-102), organizing and staffing our company, business planning, raising capital, establishing our intellectual property portfolio and conducting clinical trials. We have funded our operations primarily through the sale of equity and equity-linked securities and through borrowings under loan agreements.
Cash Flows The following table summarizes our cash flows for the years ended December 31, 2022 and 2021 (in thousands): For the Year Ended December 31, 2022 2021 Net cash used in operating activities $ (18,650 ) $ (27,582 ) Net cash provided by (used in) investing activities 54,041 (998 ) Net cash (used in) provided by financing activities (16,870 ) 33,646 Net increase in cash and cash equivalents $ 18,521 $ 5,066 Operating Activities During the year ended December 31, 2022, operating activities used $18.7 million of cash, primarily resulting from a net loss of $24.5 million and noncash stock-based compensation of $5.0 million and non-cash interest expense of $0.4 million.
We will pay certain fees with respect to the Loan Facility, including an upfront fee, an unused fee on the undrawn portion of the Loan Facility, an administration fee, a prepayment premium and an exit fee, as well as certain other fees and expenses of the Administrative Agent and the Lenders. 82 Cash Flows The following table summarizes our cash flows (in thousands): For the Year Ended December 31, 2023 2022 Net cash used in operating activities $ (38,577 ) $ (18,650 ) Net cash (used in) provided by investing activities (362 ) 54,041 Net cash provided by (used in) financing activities 74,213 (16,870 ) Net increase in cash and cash equivalents $ 35,274 $ 18,521 Operating Activities During the year ended December 31, 2023, operating activities used $38.6 million of cash, primarily resulting from a net loss of $67.0 million partially offset by noncash stock-based compensation of $14.4 million, loss on disposal of fixed assets of $2.5 million and non-cash interest expense of $0.8 million.
The following table summarizes our research and development expense by product candidate or, for unallocated expenses, by type for the years ended December 31, 2022 and 2021. We did not incur any research and development expense for VP-103 during the years ended December 31, 2022 or 2021.
We did not incur any research and development expense for VP-103 during the years ended December 31, 2023 or 2022. Unallocated expenses include compensation and other personnel related costs. Stock compensation expense for the year ended December 31, 2023 included $0.8 million related to vesting of restricted stock.
For the year ended December 31, 2022, we recognized an $8.0 million milestone payment and revenue of $1.0 million related to supplies and development activity.
VP-315 research and development expense for the period ended December 31, 2022 included $1.0 million related to milestone payments.
Net cash used in operating assets and liabilities of $0.5 million consisted primarily of an decrease in deferred revenue of $0.5 million, and a decrease in prepaid expenses and operating lease liability partially offset by an increase in accounts payable and accrued expenses of $0.7 million. 86 Investing Activities During the year ended December 31, 2022, net cash provided by investing activities was related to the sales and maturities of marketable securities of $59.0 million partially offset by purchases of marketable securities of $4.5 million and purchases of property and equipment of $0.3 million.
Net cash provided by changes in operating assets and liabilities consisted primarily of a decrease in prepaid and other assets of $0.5 million and an increase in accounts payable and accrued expenses of $13.5 million partially offset by of a decrease in accounts receivable of $3.9 million.
The increase of $0.4 million was primarily a result of higher interest rates. Interest Expense Interest expense for the year ended December 31, 2022 and 2021 consisted of interest expense on the Mezzanine Loan Agreement as noted in Note 11 to our financial statements.
The increase of $2.3 million was primarily due to higher cash balance and increased interest rates. Interest Expense Interest expense of $4.0 million for the year ended December 31, 2023 consisted of interest expense pursuant to the OrbiMed Credit Agreement entered into on July 26, 2023.
The decrease of $9.6 million was primarily driven by lower expenses related to pre-commercial activities for VP-102 and decreases in headcount, insurance, professional fees, and other operating costs. Cost of Collaboration Revenue Collaboration revenue costs were $0.7 million for the year ended December 31, 2022, compared to no costs for the year ended December 31, 2021.
Cost of Product Revenue Cost of product revenue of $0.3 million for the year ended December 31, 2023, consisted of product costs related to the sale of YCANTH (VP-102). Cost of Collaboration Revenue Collaboration revenue costs were $0.5 million for the year ended December 31, 2023, compared to $0.7 million for the year ended December 31, 2022.
A summary of our significant accounting policies appears in the notes to our audited financial statements for the year ended December 31, 2022 included in this Annual Report on Form 10-K. However, we believe that the following accounting estimate is important to understanding and evaluating our reported financial results, and we have accordingly included it in this discussion.
While we describe our significant accounting policies in the notes to our financial statements appearing elsewhere in this Annual Report on Form 10-K, we believe the following accounting policies are the most critical to the judgments and estimates we use in the preparation of our financial statements.
For the Year Ended December 31, 2022 2021 Change VP-102 $ 3,474 $ 6,174 $ (2,700 ) VP-315 2,955 3,825 (870 ) Stock based compensation 1,460 1,513 (53 ) Other unallocated expenses 4,309 4,417 (108 ) Research and development expense $ 12,198 $ 15,929 $ (3,731 ) 84 General and Administrative Expenses General and administrative expenses were $17.4 million for the year ended December 31, 2022, compared to $27.0 million for the year ended December 31, 2021.
For the Year Ended December 31, 2023 2022 Change VP-315 $ 6,643 $ 2,955 $ 3,688 YCANTH (VP-102) 5,370 3,474 1,896 Stock based compensation 2,580 1,460 1,120 Other unallocated expenses 5,702 4,309 1,393 Research and development expense $ 20,295 $ 12,198 $ 8,097 Loss on Disposal of Assets For the year ended December 31, 2023, we recognized a $2.5 million impairment loss on disposal of the assembly and packaging line due to the high cost to upgrade the line as a result of changes in product assembly.
The decrease of $2.1 million was primarily a result of the voluntary repayment of the Mezzanine Loan Agreement on July 11, 2022.
Interest expense of $2.2 million for the year ended December 31, 2022 consisted of interest expense on the Mezzanine Loan Agreement. On July 11, 2022, we voluntarily repaid the Mezzanine Loan Agreement.
The decrease of $3.7 million was primarily attributable to decreased Chemistry, Manufacturing and Controls, or CMC, costs related to our development of VP-102 for molluscum and a decrease of $1.3 million related to payments made to Lytix upon the achievement of a regulatory milestones for VP -315 partially offset by increased clinical costs related to our on-going clinical trials for VP-315.
The increase of $8.1 million was primarily attributable to an increase in chemistry, manufacturing and control, or CMC, costs of $4.4 million related to pre-approval activity, increased clinical costs for VP-315 of $3.2 million, and increased stock compensation expense of $0.8 million related to vesting of restricted stock units upon FDA approval and commercial launch of YCANTH (VP-102) partially offset by a $1.0 million Lytix payment during the year ended December 31,2022. 80 The following table summarizes our research and development expense by product candidate or, for unallocated expenses, by type for the years ended December 31, 2023 and 2022.