Biggest changeOther Income (Expense) Our other income (expense) primarily consists of fair value adjustments of contingent consideration, accreted interest expense related to the acquisition installment payables, borrowing costs and expenses related to debt. 75 Results of Operations Comparison of the Years Ended December 31, 2023 and 2022 The following table sets forth our results of operations for the years ended December 31, 2023 and 2022: (in thousands, except percentages) 2023 2022 Increase (Decrease) % Increase (Decrease) Net revenue $ 148,732 $ 122,289 $ 26,443 22 % Cost of revenue 37,479 31,629 5,850 18 % Sales and marketing expenses 51,402 45,053 6,349 14 % General and administrative expenses 75,421 59,383 16,038 27 % Trademark impairment 985 3,609 (2,624) (73) % Research and development expenses 10,196 8,014 2,182 27 % Other income (5,439) (21,710) 16,271 (75) % Provision for income taxes (benefit) (338) (4,947) 4,609 (93) % Net (loss) income $ (20,974) $ 1,258 $ (22,232) (1,767) % Revenue The following tables set forth our revenue by geography and product category for the years ended December 31, 2023 and 2022: Revenue by Geography Year Ended December 31, (in thousands, except percentages) 2023 % of revenue 2022 % of revenue U.S. $ 111,010 75% $ 92,419 76% International 37,722 25% 29,870 24% Total $ 148,732 100% $ 122,289 100% Revenue by Product Category Year Ended December 31, (in thousands, except percentages) 2023 % of revenue 2022 % of revenue Trauma and deformity $ 106,781 72% $ 85,055 70% Scoliosis 37,933 25% 33,428 27% Sports medicine/other 4,018 3% 3,806 3% Total $ 148,732 100% $ 122,289 100% Net revenue increased $26.4 million, or 22%, from $122.3 million for the year ended December 31, 2022 to $148.7 million for the year ended December 31, 2023.
Biggest changeOther Income (Expense) Our other income (expense) primarily consists of (i) fair value adjustments of contingent consideration associated with our ApiFix acquisition, (ii) accreted interest expense related to the acquisition installment payables, (iii) interest costs associated with our debt obligations, and (iv) loss on early debt extinguishment. 78 Results of Operations Comparison of the Years Ended December 31, 2024 and 2023 The following table sets forth our results of operations for the years ended December 31, 2024 and 2023: (in thousands, except percentages) 2024 2023 Increase (Decrease) % Increase (Decrease) Net revenue $ 204,727 $ 148,732 $ 55,995 38 % Cost of revenue 56,129 37,479 18,650 50 % Sales and marketing expenses 64,296 52,824 11,472 22 % General and administrative expenses 102,789 73,300 29,489 40 % Trademark impairment 1,836 985 851 86 % Restructuring expense 3,653 — 3,653 100 % Research and development expenses 11,034 10,895 139 1 % Other expenses (income), net 6,919 (5,439) 12,358 227 % Provision for income taxes (benefit) (4,107) (338) 3,769 1,115 % Net loss $ (37,822) $ (20,974) $ 16,848 80 % Revenue The following tables set forth our revenue by geography and product category for the years ended December 31, 2024 and 2023: Revenue by Geography Year Ended December 31, (in thousands, except percentages) 2024 % of revenue 2023 % of revenue U.S. $ 161,163 79% $ 111,010 75% International 43,564 21% 37,722 25% Total $ 204,727 100% $ 148,732 100% Revenue by Product Category Year Ended December 31, (in thousands, except percentages) 2024 % of revenue 2023 % of revenue Trauma and deformity $ 145,126 71% $ 106,781 72% Scoliosis 55,153 27% 37,933 25% Sports medicine/other 4,448 2% 4,018 3% Total $ 204,727 100% $ 148,732 100% Net revenue increased $56.0 million, or 38%, from $148.7 million for the year ended December 31, 2023 to $204.7 million for the year ended December 31, 2024.
Changes in these assumptions could have a significant impact on the fair value of of trademarks. If such assets are determined to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount exceeds the fair market value of the assets.
Changes in these assumptions could have a significant impact on the fair value of trademarks. If such assets are determined to be impaired, the impairment to be recognized is measured by the amount by which the carrying amount exceeds the fair market value of the assets.
Additionally, based on our history of immaterial returns from international customers, we have historically estimated no reserve for returns. 80 Inventory Valuation Inventory is stated at the lower of cost or net realizable value, with cost determined using the first-in-first-out method.
Additionally, based on our history of immaterial returns from international customers, we have historically estimated no reserve for returns. Inventory Valuation Inventory is stated at the lower of cost or net realizable value, with cost determined using the first-in-first-out method.
During 2023 and 2022, management determined that a triggering event occurred, indicating that it was more likely than not the fair value of the ApiFix trademark asset was less than the carrying value. As such, the company completed a quantitative analysis whereby we determined the fair value of the ApiFix trademark asset was below the carrying value.
During 2024, 2023 and 2022, management determined that a triggering event occurred, indicating that it was more likely than not the fair value of the ApiFix trademark asset was less than the carrying value. As such, the company completed a quantitative analysis whereby we determined the fair value of the ApiFix trademark asset was below the carrying value.
Our gross margin is impacted by the mix of revenue between the United States, where we earn a higher gross 74 margin that is required to pay sales commissions, and international stocking distributors, where we earn a lower gross margin because the distributor is responsible for paying sales commissions.
Our gross margin is impacted by the mix of revenue between the United States, where we earn a higher gross margin that is required to pay sales commissions, and international stocking distributors, where we earn a lower gross margin because the distributor is responsible for paying sales commissions.
During 2023 and 2022, we determined that a triggering event had occurred indicating it was more likely than not the fair value of the ApiFix trademark was less than the associated carrying value.
During 2024, 2023, and 2022, we determined that a triggering event had occurred indicating it was more likely than not the fair value of the ApiFix trademark was less than the associated carrying value.
The primary reason for the impairment is the lower forecasted revenue of our ApiFix product than previously expected. We recorded impairment charges of $1.0 million and $3.6 million for the years ended December 31, 2023 and 2022, respectively, to reduce the carrying amount of the intangible asset to its estimated fair value.
The primary reason for the impairment is the lower forecasted revenue of our ApiFix product than previously expected. We recorded impairment charges of $1.8 million, $1.0 million, and $3.6 million for the years ended December 31, 2024, 2023, and 2022, respectively, to reduce the carrying amount of the intangible asset to its estimated fair value.
For seven years we have been recognized by the Indiana Chamber of Commerce - Best Companies to Work in Indiana. • Th e Company and its Board of Directors understand the value of diversity. In 2022 and again in 2023, the Company added diverse Directors to our Board and will continue its Board diversity initiative in the future.
For eight years we have been recognized by the Indiana Chamber of Commerce - Best Companies to Work in Indiana. • Th e Company and its Board of Directors understand the value of diversity. In 2022 and again in 2023, the Company added diverse Directors to our Board and will continue its Board diversity initiative in the future.
We currently mar ket 53 su rgical and specialized bracing systems that serve three of the largest categories within the pediatric orthopedic market: (i) trauma and deformity correction, (ii) scoliosis and (iii) sports medicine. We rely on a broad network of third parties to manufacture the components of our products, which we then inspect and package.
We currently mar ket over 75 su rgical and specialized bracing systems that serve three of the largest categories within the pediatric orthopedic market: (i) trauma and deformity correction, (ii) scoliosis and (iii) sports medicine. We rely on a broad network of third parties to manufacture the components of our products, which we then inspect and package.
We sell our implants and instruments through a networ k of multiple direct sales representatives as well as nearly 40 independent sales agencies employing approximately 200 sales representatives specifically focused on pediatrics. These independent sales agents are trained by us, distribute our products and are compensated through sales-based commissions and performanc e bonuses.
We sell our implants and instruments through a networ k of multiple direct sales representatives as well as nearly over 40 independent sales agencies employing approximately 230 sales representatives specifically focused on pediatrics. These independent sales agents are trained by us, distribute our products and are compensated through sales-based commissions and performanc e bonuses.
Following the impairment, the newly calculated fair value becomes the new accounting basis and carrying value of the trademark. As of October 1, 2023, the date of our last impairment review, the fair value of three of our trademarks exceeded their respective carrying values by less than 15%, excluding ApiFix described above.
Following the impairment, the newly calculated fair value becomes the new accounting basis and carrying value of the trademark. 84 As of October 1, 2024, the date of our last impairment review, the fair value of three of our trademarks exceeded their respective carrying values by less than 15%, excluding ApiFix described above.
Subsequently, the company completed a quantitative analysis and concluded that the fair value was in fact less than the carrying value and impairment losses of $1.0 73 million and $3.6 million were recorded in 2023 and 2022, respectively.
Subsequently, the company completed a quantitative analysis and concluded that the fair value was in fact less than the carrying value and impairment losses of $1.8 million, $1.0 million, and $3.6 million were recorded in 2024, 2023, and 2022, respectively.
For a discussion and analysis of the year ended December 31, 2022 compared to December 31, 2021, please refer to “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2022, filed with the SEC on March 1, 2023.
For a discussion and analysis of the year ended December 31, 2023 compared to December 31, 2022, please refer to “Management’s Discussion and Analysis of Financial Condition and Results of Operations” included in Item 7 of our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on March 8, 2024.
General and Administrative Expenses Our general and administrative expenses primarily consist of compensation, benefits and other related costs for personnel employed in our executive management, administration, finance, legal, quality and regulatory, product management, warehousing, information technology and human resources departments, including stock-based compensation for all personnel, as well as facility costs.
General and Administrative Expenses Our general and administrative expenses primarily consist of compensation, benefits and other related costs for personnel employed in our executive management, administration, finance, legal, quality and regulatory, product management, warehousing, information technology and human resources departments, including stock-based compensation for these personnel, as well as facility costs and clinic operating costs.
This section discusses our results of operations for the year ended December 31, 2023 as compared to the year ended December 31, 2022.
This section discusses our results of operations for the year ended December 31, 2024 as compared to the year ended December 31, 2023.
We include insurance expenses in general and administrative expenses, as well as costs related to the maintenance and protection of our intellectual property portfolio. Our general and administrative expenses also include the depreciation of our capitalized instrument sets, which represented $7.9 million, $6.2 million and $5.6 million for the years ended December 31, 2023, 2022 and 2021, respectively.
We include insurance expenses in general and administrative expenses, as well as costs related to the maintenance and protection of our intellectual property portfolio. Our general and administrative expenses also include the depreciation of our capitalized instrument sets, which represented $8.4 million, $7.9 million and $6.2 million for the years ended December 31, 2024, 2023 and 2022, respectively.
Components of our Results of Operations Revenue Revenue in the United States is generated primarily from the sale of our implants, specialized braces and, to a much lesser extent, from the sale of our instruments. Sales of our implants and instruments in the United States are primarily to hospital accounts through independent sales agencies.
Components of our Results of Operations Revenue Revenue in the United States is generated primarily from the sale of our implants, specialized braces, O&P clinic services and, to a much lesser extent, from the sale of our instruments. Sales of our implants and instruments in the United States are primarily to hospital accounts through independent sales agencies.
We recognize revenue when our performance obligations under the terms of a contract with our customer are satisfied. This typically occurs when we transfer control of our products to the customer, generally upon implantation or when title passes upon shipment.
We recognize revenue when our performance obligations under the terms of a contract with our customer are satisfied. For our implants and instruments, this typically occurs when we transfer control of our products to the customer, generally upon implantation or when title passes upon shipment.
We expect our general and administrative expenses to continue to increase in absolute dollars as we hire additional personnel to support the growth of our business as well as increased set deployment. We expect the growth rate of our general and administrative expenses will be lower than the growth rate of our revenue.
We expect our general and administrative expenses to continue to increase in absolute dollars as we hire additional personnel to support the growth of our business, increased set deployment, and additional O&P clinics. We expect the growth rate of our general and administrative expenses will be lower than the growth rate of our revenue.
Net cash provided by investing activities in 2023 was primarily related to the sales of short-term marketable securities of $112.9 million which was offset by the purchase of short-term investments of $48.6 million and the cash portion paid in the acquisitions of MedTech of $3.1 million and Rhino of $0.5 million.
Net cash provided in 2023 was primarily related to the sales of short-term marketable securities of $112.9 million which was partially offset by the purchase of short-term investments of $48.6 million and the cash paid for the acquisitions of MedTech of $3.1 million and Rhino of $0.5 million.
Nearly all the change in each category was due to a change in the unit volume sold and not a result of price changes. Cost of Revenue and Gross Margin Cost of revenue was $37.5 million and $31.6 million for the years ended December 31, 2023 and 2022, respectively.
Nearly all the change in each category was due to a change in the unit volume sold and not a result of price changes. Cost of Revenue and Gross Margin Cost of revenue was $56.1 million and $37.5 million for the years ended December 31, 2024 and 2023, respectively.
Sales and Marketing Expenses Our sales and marketing expenses primarily consist of commissions to our domestic and international independent sales agencies, as well as compensation, commissions, benefits and other related personnel costs to our global sales management team. Commissions and bonuses are generally based on a percentage of sales.
Sales and Marketing Expenses Our sales and marketing expenses primarily consist of commissions to our domestic and international independent sales agencies, as well as compensation, commissions, benefits and other related personnel costs to our global sales management team, including stock-based compensation associated with these personnel. Commissions and bonuses are generally based on a percentage of sales.
Research and Development Expenses Our research and development expenses primarily consist of costs associated with engineering, product development, consulting services, outside prototyping services, outside research activities, materials and development of our intellectual property portfolio. We also include related personnel and consultants’ compensation expense.
Research and Development Expenses Our research and development expenses primarily consist of costs associated with engineering, product development, consulting services, outside prototyping services, outside research activities, materials and development of our intellectual property portfolio. We also include related personnel and consultants’ compensation expense, including stock-based compensation for these personnel.
The majority of our implants and instruments are produced in the United States. We recognize cost of revenue for consigned implants at the time the implant is used in surgery and the related revenue is recognized. Prior to their use in surgery, the cost of consigned implants is recorded as inventory in our balance sheet.
We recognize cost of revenue for consigned implants at the time the implant is used in surgery and the related revenue is recognized. Prior to their use in surgery, the cost of consigned implants is recorded as inventory in our balance sheet.
Liquidity and Capital Resources We have incurred operating losses since inception and negative cash flows from operating activities of $27.0 million, $21.8 million and $13.1 million for the years ended December 31, 2023, 2022 and 2021, respectively. As of December 31, 2023, we had an accumulated deficit of $197.7 million.
Liquidity and Capital Resources We have incurred operating losses since inception and negative cash flows from operating activities of $27.0 million, $27.0 million and $21.8 million for the years ended December 31, 2024, 2023 and 2022, respectively. As of December 31, 2024, we had an accumulated deficit of $235.6 million.
The increase was due primarily to increased sales commission expenses and an overall increase in volume of u nits sold. Sales and marketing expenses also increased by approximately $0.7 million as a result of the acquisitions. Sales and marketing expenses for the year ended December 31, 2023 were approximately 35% of revenue compared to 37% for 2022 .
The increase was due primarily to increased sales commission expenses and an overall increase in volume of u nits sold. Sales and marketing expenses also increased by approximately $1.6 million as a result of the acquisitions. Sales and marketing expenses for the year ended December 31, 2024 were approximately 31% of revenue compared to 36% for 2023 .
We also invested $16.9 million in property, plant and equipment, primarily instrument sets which were consigned in the United States and select international markets.
We also invested $14.3 million in property and equipment, primarily instrument sets which were consigned in the United States and select international markets.
We also invested $10.0 million in property, plant and equipment, primarily instrument sets which were consigned in the United States and select international markets. Cash Provided By Financing Activities Net cash provided by financing activities was $7.3 million and $136.0 million for the years ended December 31, 2023 and 2022, respectively.
We also invested $16.9 million in property and equipment, primarily instrument sets which were consigned in the United States and select international markets. Cash Provided By Financing Activities Net cash provided by financing activities was $53.1 million and $7.3 million for the years ended December 31, 2024 and 2023, respectively.
Since inception, we have funded our operations primarily with proceeds from the sales of our common and preferred stock, convertible securities and debt, as well as through sales of our products. As of December 31, 2023, we had cash, cash equivalents and restricted cash of $33.0 million and short-term investments of $49.3 million for a total of $82.3 million.
Since inception, we have 80 funded our operations primarily with proceeds from the sales of our common and preferred stock, convertible securities and debt, as well as through sales of our products. As of December 31, 2024, we had cash, cash equivalents and restricted cash of $45.8 million and short-term investments of $25.0 million for a total of $70.8 million.
We estimate that the portion of this market that we currently serve represents a $3.9 b illion opportunity globally, including ov er $1.7 bi llion in the United States. We sell implants, instruments and specialized braces to our customers for use by pediatric orthopedic surgeons, orthotists or physical therapists to treat orthopedic conditions in children.
We estimate that the portion of this market that we currently serve represents a $6.2 billion opportunity globally, including ov er $2.8 billion in the United States. We sell implants, instruments and specialized braces to our customers for use by pediatric orthopedic surgeons, orthotists or physical therapists to treat orthopedic conditions in children.
Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities was $41.7 million and $(113.4) million for the years ended December 31, 2023 and 2022, respectively.
Cash (Used in) Provided by Investing Activities Net cash (used in) provided by investing activities was $(13.2) million and $41.7 million for the years ended December 31, 2024 and 2023, respectively.
Net cash provided by financing activities in 2023 consisted of the proceeds of $9.4 million, net of issuance costs, from our new loan agreement with MidCap Financial Trust. This was offset by the cash paid for the acquisition installment to ApiFix.
Net cash provided by financing activities for 2023 consisted of the proceeds of 81 $9.4 million, net of issuance costs, from our term loan agreement with MidCap, offset by the cash paid for the acquisition installment to ApiFix of $2.0 million.
During 2023, the primary uses of cash included an increase in inventory of $26.3 million as we deployed additional inventory and an increase in accounts receivable of $9.7 million. These uses of cash were partially offset by cash inflows from other accrued expenses of $6.9 million, related primarily to accrued compensation, and an increase in accounts payable of $1.5 million.
These uses of cash were partially offset by cash inflows from other accrued expenses and other liabilities of $0.5 million, related primarily to accrued compensation. During 2023, we increased inventory by $26.3 million as we deployed additional inventory and accounts receivable increased by $9.7 million.
We believe that the expected future cash flows in the most recent calculations represent management’s best estimate; however, if actual results differ materially from these estimates, we could record an additional impairment charge which could be material to our consolidated financial statements and have an adverse impact on our results of operations.
We believe that the expected future cash flows in the most recent calculations represent management’s best estimate; however, if actual results differ materially from these estimates, we could record an additional impairment charge which could be material to our consolidated financial statements and have an adverse impact on our results of operations. 76 In 2023 and 2022, there was a significant and unprecedented increase in cases of respiratory syncytial virus, or RSV, and other respiratory illnesses.
Cash Flows The following table sets forth our cash flows from operating, investing and financing activities for the periods indicated: Year Ended December 31, (in thousands) 2023 2022 Net cash used in operating activities $ (27,046) $ (21,766) Net cash provided by (used in) investing activities 41,677 (113,371) Net cash provided by financing activities 7,301 135,974 Effect of exchange rate changes on cash 633 619 Net increase in cash and restricted cash $ 22,565 $ 1,456 Cash Used in Operating Activities Net cash used in operating activities was $27.0 million and $21.8 million for the years ended December 31, 2023 and 2022, respectively.
Cash Flows The following table sets forth our cash flows from operating, investing and financing activities for the periods indicated: Year Ended December 31, (in thousands) 2024 2023 Net cash used in operating activities $ (27,048) $ (27,046) Net cash (used in) provided by investing activities (13,162) 41,677 Net cash provided by financing activities 53,135 7,301 Effect of exchange rate changes on cash (175) 633 Net increase in cash and restricted cash $ 12,750 $ 22,565 Cash Used in Operating Activities Net cash used in operating activities was $27.0 million for both the years ended December 31, 2024 and 2023, respectively.
Commitments and Contingencies in Item 8 for further detail regarding these requirements. • Lease Obligations - See Note 15. Commitments and Contingencies in Item 8 for further detail regarding our lease obligations. • Royalties - See Note 15. Commitments and Contingencies in Item 8 for further detail regarding minimum royalty obligations.
See Note 17 - Commitments and Contingencies in Item 8 for further detail regarding these requirements. • Clinic acquisition promissory notes - See Note 17 - Commitments and Contingencies in Item 8 for further detail regarding our clinic acquisition promissory notes. • Lease Obligations - See Note 16 - Leases in Item 8 for further detail regarding our lease obligations. • Royalties - See Note 17 - Commitments and Contingencies in Item 8 for further detail regarding minimum royalty obligations.
In order to further enhance our operations in Europe, we established operating companies in the Netherlands and Germany in March 2019 and April 2022, respectively. In 2023, we hired operating and sales representatives in Germany as salaried employees to better serve our customers. These arrangements have generated an increase in revenue and gross margin.
In order to further enhance our operations in Europe, we established operating companies in the Netherlands and Germany in March 2019 and April 2022, respectively. In 2023 and 2024, we hired operating and sales representatives in Germany as salaried employees to better serve our customers and opened warehouses in Germany and Australia in 2024.
The deferred tax assets, except for those recorded in Canada and Israel, were fully offset by a 81 valuation allowance as of December 31, 2023 and 2022 and no income tax benefit has been recognized in continuing operations related to the NOLs which have valuation allowances.
All deferred tax assets were fully offset by a valuation allowance, with the exception of certain deferred tax liabilities in Canada in 2024, and Canada and Israel in 2023, and no income tax benefit has been recognized in continuing operations related to the NOLs which have valuation allowances.
Accordingly, we must make an up-front investment in inventory of consigned implants and instruments before we can generate revenue from a particular hospital and we maintain substantial levels of inventory at any given time.
Accordingly, we must make an up-front investment in inventory of consigned implants and instruments before we can generate revenue from a particular hospital and we maintain substantial levels of inventory at any given time. We operate approximately 30 orthotic and prosthetic ("O&P") clinics in the United States serving children's hospitals in numerous states.
Sco liosis revenue increased $4.5 million, or 13%, primarily driven by increased sales of our 4.5/5.0 and 5.5/6.0 RESPONSE systems and ApiFix as well as the sale and pull through of 7D. Sports medicine / other increased $0.2 million, or 6%.
Sco liosis revenue increased $17.2 million, or 45%, primarily driven by increased sales of our RESPONSE 5.5/6.0 and ApiFix systems and revenue generated from 7D Technology, as well as the addition of Boston O&P . Sports medicine / other increased $0.4 million, or 11%.
As of December 31, 2023, the carrying value of these three trademarks was $10.4 million. Net Operating Losses As of December 31, 2023, we had federal, state and foreign tax net operating loss carryforwards, or NOLs, of approximately $118.9 million, $76.9 million and $26.3 million, respectively, which begin to expire in 2028 unless utilized.
As of December 31, 2024, the carrying value of these three trademarks was $7.2 million. Net Operating Losses As of December 31, 2024, we had federal, state and foreign tax net operating loss carryforwards, or NOLs, of approximately $136.6 million, $85.4 million and $35.2 million, respectively, which begin to expire, if not utilized, beginning in 2028.
See Note 15 - Commitments and Contingencies in Item 8 for additional details of our purchase commitments and performance obligations. 76 Sales and Marketing Expenses Sales and marketing expenses increased $6.3 million, or 14%, from $45.1 million for the year ended December 31, 2022 to $51.4 million for the year ended December 31, 2023.
See Note 17 - Commitments and Contingencies in Item 8 for additional details of our purchase commitments and performance obligations. Sales and Marketing Expenses Sales and marketing expenses increased $11.5 million, or 22%, from $52.8 million for the year ended December 31, 2023 to $64.3 million for the year ended December 31, 2024.
For the years ended December 31, 2023, 2022 and 2021, international sales accounted for approximately 25%, 24% and 21% of our revenue, respectively.
These arrangements have generated an increase in revenue and gross margin. For the years ended December 31, 2024, 2023 and 2022, international sales accounted for approximately 21%, 25% and 24% of our revenue, respectively.
Based on a history of reliable collections, we have concluded that a contract exists and revenue should be recognized when we transfer control of our products to the customer, generally when title passes upon shipment. Additionally, based on our history of immaterial returns from international customers, we have historically estimated no reserve for returns.
Generally, the distributors are allowed to return products, and some are thinly capitalized. Based on a history of reliable collections, we have concluded that a contract exists and revenue should be recognized when we transfer control of our products to the customer, generally when title passes upon shipment.
Sales of our bracing products are sold to stocking distributors, hospitals, orthotist and other medical professionals or directly to end customers. Revenue is recognized for braces generally when title passes upon shipment. Outside of the United States, we sell our products directly to hospitals through independent sales agencies or to independent stocking distributors.
Sales of our bracing products are sold to stocking distributors, hospitals, orthotist and other medical professionals or directly to end customers. Revenue is recognized for braces generally when title passes upon shipment. Our O&P clinics recognize revenue when our custom manufactured braces or other products are fitted to and accepted by patients.
We do not sell our products through or participate in physician-owned distributorships, or PODs. The revenue generated in the United States from our bracing products is sold directly to orthopedic surgeons, orthotists, physical therapists or, at certain times, directly to the end customer.
The revenue generated in the United States from our bracing products is sold directly to orthopedic surgeons, orthotists, physical therapists or, at certain times, directly to the end customer. 75 We market and sell our products internationally in over 75 coun tries through independent stocking distributors and sales agencies.
In 2017, we 72 began to supplement our international stocking distributors with sales agencies using direct sales programs in the United Kingdom, Ireland, Australia and New Zealand where we sell directly to the hospitals.
Our independent stocking distributors manage the billing relationship with each hospital in their respective territories and are responsible for servicing the product needs of their surgeon customers. In 2017, we began to supplement our international stocking distributors with sales agencies using direct sales programs in the United Kingdom, Ireland, Australia and New Zealand where we sell directly to the hospitals.
Business Combinations and Asset Acquisitions in Item 8 for further detail regarding our obligations and timing of expected future payments. • Minimum purchase obligations - Purchase obligations include agreements for purchases of product in the normal course of business, including minimum quantities required pursuant to our license agreements. See Note 15.
Our long-term cash requirements under various contractual obligations and commitments include: • Debt obligations and interest payments - See Note 9 - Debt and Credit Arrangements in Item 8 for further detail regarding our debt and the timing of expected future principal and interest payments. 82 • Acquisition installment payables, net of current portion and contingent consideration - See Note 3 - Business Combinations and Asset Acquisitions in Item 8 for further detail regarding our obligations and timing of expected future payments. • Minimum purchase obligations - Purchase obligations include agreements for purchases of product in the normal course of business, including minimum quantities required pursuant to our license agreements.
Contractual Obligations and Commitments The Company's cash requirements within the next twelve months include accounts payable, accrued compensation and benefits, current maturities of long-term debt, current portion of acquisition installment payable and other current liabilities. The acquisition installment payable is related to the acquisition of ApiFix and MedTech - See Note 3.
See Note 9 - Debt and Credit Arrangements in Item 8 for further detail regarding our debt. Contractual Obligations and Commitments The Company's cash requirements within the next twelve months include accounts payable, accrued compensation and benefits, interest payments on our long-term debt, current portion of acquisition installment payable and other current liabilities.
We believe there are significant opportunities for us to strengthen our position in U.S. and international markets by increasing investments in consigned implant and instrument sets, strengthening our global sales and distribution infrastructure and expanding our product offering. Environmental, Social and Governance ("ESG") Activities OrthoPediatrics was founded on the cause of impacting the lives of children with orthopedic conditions.
We believe there are significant opportunities for us to strengthen our position in U.S. and international markets by increasing investments in consigned implant and instrument sets, strengthening our global sales and distribution infrastructure, and expanding our product offering as well as our O&P clinic network.
We believe effectively managing our priorities, as well as increasing our transparency related to ESG programs, will help create long-term value for our stakeholders. We expect to increase our disclosures and communicate our ESG efforts in future SEC filings. Nothing on our website shall be deemed part of or incorporated by reference into this Annual Report on Form 10-K.
We believe effectively managing our priorities, as well as increasing our transparency related to social impact programs, will help create long-term value for our stakeholders. We expect to continue to increase our disclosures and communicate our social impact efforts in future SEC filings.
On rare occasions, hospitals purchase products for their own inventory, and revenue is recognized when the hospital obtains control of the product, typically either upon shipment or delivery of the product dependent on the terms of the contract. We consider our performance obligation of our braces to be settled upon shipment, and revenue is therefore recognized at that time.
On rare occasions, hospitals purchase products for their own inventory, and revenue is recognized when the hospital obtains control of the product, typically either upon shipment or delivery of the product dependent on the terms of the contract. Sales of our bracing products are sold to stocking distributors, hospitals, orthotist and other medical professionals or directly to end customers.
Cost of Revenue and Gross Profit Our cost of revenue consists primarily of products purchased from third-party suppliers, inbound freight, excess and obsolete inventory adjustments and royalties. Our implants and instruments are manufactured to our specifications by third-party suppliers. We purchase the raw materials to make our specialized bracing products in our own facility in Iowa.
Our implants and instruments are manufactured to our specifications by third-party suppliers. We purchase the raw materials to make our specialized bracing products in our own facilities in Iowa and Boston. The majority of our implants and instruments are produced in the United States.
Research and Development Expenses Research and development expenses increased $2.2 million, or 27%, from $8.0 million for the year ended December 31, 2022 to $10.2 million for the year ended December 31, 2023.
See Note 5 - Goodwill and Intangible Assets for further details. Research and Development Expenses Research and development expenses increased $0.1 million, or 1%, from $10.9 million for the year ended December 31, 2023 to $11.0 million for the year ended December 31, 2024.
Trauma and deformity revenue, which includes the impact from acquired businesses, increased $21.7 million, or 26%, primarily driven by increased sales in our Pega, PNP Femur, Cannulated Screws, Orthex systems and $5.3 million of sales generated from acquired businesses.
Trauma and deformity revenue, which includes the impact from acquired businesses, increased $38.3 million, or 36%, primarily driven by strong growth across numerous product lines, specifically our Cannulated Screws, PNP Femur, PediPlate, external fixation and Pega systems, as well as the addition of Boston O&P.
The primary use of this cash was for working capital. Net cash used for working capital was $32.2 million and $17.8 million for the years ended December 31, 2023 and 2022, respectively.
The primary use of this cash was to fund our operations related to the development and commercialization of our products in each of these periods. Net cash used for working capital and changes in other operating assets and liabilities was $23.3 million and $32.2 million for the years ended December 31, 2024 and 2023, respectively.
During 2022, we increased inventory by $16.9 million as we deployed additional inventory and accounts receivable increased by $3.9 million. We had a net loss of $21.0 million for the year ended December 31, 2023, compared to net income of $1.3 million for the year ended December 2022.
We had a net loss of $37.8 million for the year ended December 31, 2024, compared to a net loss of $21.0 million for the year ended December 31, 2023.
Gross margin was 75% for the year ended December 31, 2023 and 74% for the year ended December 31, 2022. The increase in cost of revenue was primarily driven by v olume of units sold which included approximately $1.7 million from the result of acquisitions. The gross margin includes a minimum performance obligation fee on the Firefly licensing agreement.
Gross margin was 73% for the year ended December 31, 2024 and 75% for the year ended December 31, 2023. The increases were due primarily to sales volume, including the added cost of revenue associated with the revenue generated by acquisitions. The gross margin includes a minimum performance 79 obligation fee on the Firefly licensing agreement.
Business Combinations and Asset Acquisitions in Item 8 for further detail of the acquisition and the acquisition installment payables. Our long-term cash requirements under various contractual obligations and commitments include: • Debt obligations and interest payments - See Note 8.
The acquisition installment payable is related to the acquisition of MedTech. See Note 3 - Business Combinations and Asset Acquisitions in Item 8 for further detail of the acquisition and the acquisition installment payables.
Since inception we have impacted the lives of ove r 710,000 children, when including those served by our acquired companies. We believe we should continue to expand our social efforts while minimizing our impact to the environment and ensuring corporate governance.
Social Impact OrthoPediatrics was founded on the cause of impacting the lives of children with orthopedic conditions. Since inception we have impacted the lives of ove r 1,140,000 children, when including those served by our acquired companies.
This was subsequently paid off in 2022. 78 Indebtedness Credit Agreement On December 29, 2023, the Company entered into an $80 million Credit, Security and Guaranty Agreement by and among (i) the Company and other borrowers party to the Credit Agreement, (ii) MidCap Funding IV Trust, (iii) MidCap Financial Trust, and (iv) the financial institutions or other entities from time to time party thereto as Lenders.
Indebtedness Term Loan Agreement and Convertible Notes On August 5, 2024, the Company signed an $100 million term loan and private placement arrangement with Braidwell LP by and among (i) the Company and other borrowers party to the Credit Agreement, (ii) Braidwell LP, and (iii) the financial institutions or other entities from time to time party thereto as Lenders.
Net cash used in 2022 was primarily related to the cash portions paid in the acquisitions of MDO and Pega in the aggregate amount of $40.1 million and purchases of short term investments of $110.1 million, both of which were offset by sales of short term securities of $46.9 million.
Net cash used in investing activities in 2024 was primarily related to the purchase of short-term investments of $25.0 million and cash paid for the acquisitions of Boston O&P of $20.2 million and other clinics of $2.9 million, which was partially offset by the sales of short-term marketable securities of $49.9 million.
The increase was due primarily to the addition of personnel and resources to support the continued expansion of our business and stock compensation expense of $3.8 million. Depreciation and amortization expenses increased $4.3 million, or 33%, from $13.1 million for the year ended December 31, 2022 to $17.4 million for the year ended December 31, 2023 .
General and Administrative Expenses General and administrative expenses increased $29.5 million, or 40%, from $73.3 million for the year ended December 31, 2023 to $102.8 million for the year ended December 31, 2024. The increase was due primarily to the addition of Boston O&P.
Outside of the United States, we sell our products directly to hospitals through independent sales agencies or to independent stocking distributors. Generally, the distributors are allowed to return products, and some are thinly capitalized.
These revenue amounts are further revised as claims are adjudicated, which may result in additional disallowances, which are considered as part of the transaction price and recorded as a reduction of revenues. Outside of the United States, we sell our products directly to hospitals through independent sales agencies or to independent stocking distributors.
Trademark Impairment The Company recorded a partial impairment charge of $1.0 million and $3.6 million associated with the ApiFix trademark during the years ended December 31, 2023 and 2022, respectively. See Note 4 - Goodwill and Intangible Assets for further details.
The increase was primarily due to higher set deployments and increased amortization associated with acquisitions, as well as the addition of Boston O&P. Trademark Impairment The Company recorded a partial impairment charge of $1.8 million and $1.0 million associated with the ApiFix trademark during the years ended December 31, 2024 and 2023, respectively.
In 2023 and 2022, there was a significant and unprecedented increase in cases of respiratory syncytial virus, or RSV, and other respiratory illnesses. RSV is a common respiratory virus that follows a seasonal pattern.
RSV is a common respiratory virus that follows a seasonal pattern.
The debt facilities available under the Credit Agreement replace the Fourth Amended and Restated Loan and Security Agreement with Squadron (as amended, the “Squadron Loan Agreement”), which provided the Company with a $50 million revolving credit facility. There was no indebtedness outstanding under the Squadron Loan Agreement and it was terminated in connection with the Credit Agreement.
The debt facilities replace the $80 million Credit, Security, and Guaranty Agreement with MidCap Funding IV Trust and MidCap Financial Trust and other parties named therein. There was approximately $10 million outstanding under the MidCap Credit Agreement and it was terminated in connection with the Credit Agreement.
The lower rate was driven by MD Ortho e-Commerce sales, which is sold without sales commissions, and lower commissions on other newly acquired products. General and Administrative Expenses General and administrative expenses increased $16.0 million, or 27%, from $59.4 million for the year ended December 31, 2022 to $75.4 million for the year ended December 31, 2023.
The lower rate was driven by Boston O&P and MD Ortho sales, which are sold at a significantly lower sales commission, and lower commissions on other newly acquired products.
For the year ended December 31, 2023, the change in fair value resulted in income of $3.0 million, compared to income of $25.9 million for the year ended December 31, 2022. Interest expense for the year ended December 31, 2023 was less than $0.1 million compared to $0.7 million for the year ended December 31, 2022.
Total Other Expenses (Income) Total other expense increased $12.4 million year over year, with other expense of $6.9 million for the year ended December 31, 2024 compared to other income of $5.4 million for the year ended December 31, 2023.