Biggest changeFor the Years Ended December 31, 2024 and 2023 The following table sets forth selected Condensed Statements of Operations data (in thousands) and such data as a percentage of revenue: For the year ended December 31, 2024 2023 Revenue $ 768 100 % $ 474 100 % Cost of revenue 756 98 % 279 59 % Gross profit 12 2 % 195 41 % Operating expenses: Research and development 8,275 1,077 % 10,811 2,281 % Sales and marketing 3,066 399 % 3,852 813 % General and administrative 5,704 743 % 7,272 1,534 % Severance expense 1,377 179 % 359 76 % Total operating expenses 18,422 2,399 % 22,294 4,703 % Loss from operations (18,410) (2,397) % (22,099) (4,662) % Other income (expense), net: Offering costs related to warrant liability — — (592) (125) % Change in fair value of warrant liability 262 34 % 2,515 531 % Interest income, net — — 809 171 % Loss on extinguishment of short-term debt (219) (29) % — — Other expense (31) (4) % — — Total other income (expense), net 12 2 % 2,732 576 % Net loss $ (18,398) (2,396) % $ (19,367) (4,086) % Revenues.
Biggest changeGeneral and administrative expenses include costs for general and corporate functions, including personnel compensation, facility fees, travel, telecommunications, insurance, professional fees, consulting fees, general office expenses, and other overhead. 33 Table of Contents Comparison of the Years Ended December 31, 2025 and 2024 The following table sets forth selected Condensed Statements of Operations data (in thousands) and such data as a percentage of revenue: For the year ended December 31, 2025 2024 $ Change % Change Revenue $ 5,630 $ 768 $ 4,862 633 % Cost of revenue 3,601 756 2,845 376 % Gross profit 2,029 12 2,017 16,808 % Operating expenses: Research and development 4,126 7,686 (3,560) (46) % Sales and marketing 2,359 3,066 (707) (23) % General and administrative 4,495 6,293 (1,798) (29) % Severance expense 403 1,377 (974) (71) % Expenses from abandoned financing transaction 661 — 661 100 % Total operating expenses 12,044 18,422 (6,378) (35) % Loss from operations (10,015) (18,410) 8,395 46 % Other income (expense), net: Change in fair value of warrant liability 257 262 (5) (2) % Interest income, net 166 — 166 100 % Loss on retirement of property and equipment (1) — (1) (100) % Loss on extinguishment of short-term debt — (219) 219 100 % Discount fees from accounts receivable factoring agreements — (31) 31 100 % Total other income, net 422 12 410 3,417 % Net loss $ (9,593) $ (18,398) $ 8,805 48 % Revenues.
Cash Flows During 2024, cash flows used in operating activities were $17.6 million, consisting of a net loss of $18.4 million, less adjustments to reconcile net loss to net cash used in operating activities aggregating $1.1 million (principally stock-based compensation of $0.8 million, depreciation and amortization expense of $0.2 million, loss on extinguishment of short-term debt of $0.2 million, issuance of common stock to consultant of $0.1 million and accrued interest of $0.1 million, partially offset by change in fair value of warrant liability of $0.3 million), a $0.5 million decrease in operating lease liabilities, a $0.2 million decrease in accrued expenses, a $0.1 million decrease in accrued severance expense and a $0.1 million increase in inventory, partially offset by $0.7 million decrease in operating lease right-of-use assets.
During 2024, cash flows used in operating activities were $17.6 million, consisting of a net loss of $18.4 million, less adjustments to reconcile net loss to net cash used in operating activities aggregating $1.1 million (principally stock-based compensation of $0.8 million, depreciation and amortization expense of $0.2 million, loss on extinguishment of short-term debt of $0.2 million, issuance of common stock to consultant of $0.1 million and accrued interest of $0.1 million, partially offset by change in fair value of warrant liability of $0.3 million), a $0.5 million decrease in operating lease liabilities, a $0.2 million decrease in accrued expenses, a $0.1 million decrease in accrued severance expense and a $0.1 million increase in inventory, partially offset by $0.7 million decrease in operating lease right-of-use assets.
Agile Subordinated Loan Agreement Effective October 1, 2024, we entered into a subordinated business loan agreement (the “Original Loan Agreement”) with Agile Capital Funding, LLC and Agile Lending, LLC (collectively, the “Lender”), which provided for an initial term loan of $525,000, with the ability to receive additional term loans of up to $1.6 million, subject to certain conditions (such loans, the “Term Loan”).
Agile Subordinated Loan Agreement Effective October 1, 2024, we entered into a subordinated business loan agreement (the “Original Loan Agreement”) with Agile Capital Funding, LLC and Agile Lending, LLC (collectively, the “Lender”), which provided for an initial term loan of $525,000, with the ability to receive additional term loans of up to $1.6 million, subject to certain conditions (such loans, the “Original Term Loan”).
Offering costs associated with warrants classified as liabilities are expensed as incurred and are presented as offering cost related to warrant liability in the statement of operations. Offering costs associated with the sale of warrants classified as equity are charged against proceeds. Revenue Recognition. We follow ASC 606, “Revenue from Contracts with Customers” (“Topic 606”).
Offering costs associated with warrants classified as liabilities are expensed as incurred and are presented as offering cost related to warrant liability in the statement of operations. Offering costs associated with the sale of warrants classified as equity are charged against proceeds received. Revenue Recognition. We follow ASC 606, “Revenue from Contracts with Customers” (“Topic 606”).
Sales and marketing expenses include costs associated with selling and marketing our technology to our customers, including personnel compensation, public relations, graphic design, tradeshow, engineering supplies utilized by the sales team and general office expenses specifically related to the sale and marketing department.
Sales and marketing expenses include costs associated with selling and marketing our technology to our customers, including personnel compensation, public relations, graphic design, tradeshow, engineering supplies utilized by the sales team and general office expenses specifically related to the sales and marketing department.
ATM Offering Program On June 21, 2024, we entered into the At the Market Offering Agreement with H.C. Wainwright & Co., LLC, as sales agent, pursuant to which we could issue and sell of up to $3.45 million in shares of our common stock (the “ATM Program”).
ATM Offering Program On June 21, 2024, we entered into the At the Market Offering Agreement with H.C. Wainwright & Co., LLC (“Wainwright”), as sales agent, pursuant to which we could issue and sell of up to $3.45 million in shares of our common stock (as amended to date, the “ATM Program”).
The Amended Loan Agreement provides for a new term loan of $997,000, with the ability to receive additional term loans of up to $1.6 million, subject to certain conditions (such new loans, the “New Term Loan”).
The Amended Loan Agreement provided for a new term loan of $997,000, with the ability to receive additional term loans of up to $1.6 million, subject to certain conditions (such new loans, the “New Term Loan”).
We anticipate cash flows generated from operations and our cash and cash equivalents will be sufficient to meet our liquidity needs for at least the next 12 months. 30 Table of Contents Determining the extent to which conditions or events raise substantial doubt about our ability to continue as a going concern requires significant judgment and estimation by us.
We anticipate cash flows generated from operations and our cash and cash equivalents will be sufficient to meet our liquidity needs for at least the next 12 months. Determining the extent to which conditions or events raise substantial doubt about our ability to continue as a going concern requires significant judgment and estimation by us.
Research and development expenses include costs associated with our efforts to develop our technology, including personnel 31 Table of Contents compensation, consulting, engineering supplies and components, intellectual property costs, regulatory expense and general office expenses specifically related to the research and development department.
Research and development expenses include costs associated with our efforts to develop our technology, including personnel compensation, consulting, engineering supplies and components, regulatory expense and general office expenses specifically related to the research and development department.
During 2023, cash flows used in operating activities were $19.3 million, consisting of a net loss of $19.4 million, less adjustments to reconcile net loss to net cash used in operating activities aggregating $0.1 million (principally stock-based compensation of $1.7 million, issuance costs allocated to warrant liability of $0.6 million, depreciation and amortization expense of $0.2 million and inventory net realizable adjustment of $0.2 million, partially offset by a decrease in fair value of the warrant liability of $2.5 million), a $0.7 million decrease in operating lease liabilities, a $0.5 million decrease in accrued expenses, a $0.5 million increase in inventory and a $0.3 million decrease in accrued severance, partially offset by a $1.0 million increase in accounts payable, a $0.7 decrease in operating lease right-of-use assets, a $0.3 million increase in prepaid expenses and other current assets and a $0.1 million decrease in accounts receivable.
Cash Flows Operating Activities - During 2025, cash flows used in operating activities were $12.4 million, consisting of a net loss of $9.6 million, less adjustments to reconcile net loss to net cash used in operating activities aggregating $0.2 million (principally stock-based compensation of $0.3 million and depreciation and amortization expense of $0.1 million, partially offset by change in fair value of warrant liability of $0.3 million), a $2.9 million increase in accounts receivable, a $1.0 million increase in inventory, a $0.9 million decrease in accounts payable and a $0.5 million increase in operating lease liabilities, partially offset by a $1.0 million increase in accrued liabilities, a $0.7 million decrease in prepaid expenses and other current assets, net of other assets, and a $0.6 million increase in operating lease right-of-use assets.
Our transmitters vary in form factor, power specifications, and operating frequencies, while our receivers are engineered to support a wide range of wireless charging applications across multiple device categories. including: Device Type Application RF Tags Cold Chain, Asset Tracking, Medical IoT IoT Sensors Cold Chain, Logistics, Asset Tracking Electronic Shelf Labels Retail and Industrial IoT The first WPN-enabled end product featuring our technology entered the market in 2019.
Our transmitters vary in form factors, power specifications, and operating frequencies, and our receivers are designed to support a range of wireless power-enabled device applications, including: Device Type Application RF Tags Cold Chain, Asset Tracking, Medical IoT Ambient IoT Sensors Cold Chain, Logistics, Asset Tracking Electronic Shelf Labels Retail and Industrial IoT The first WPN-enabled product featuring our technology entered the market in 2019.
Principal and interest on the initial new term loan in the aggregate amount of $1,415,740 is to be repaid in weekly payments of approximately $39,000 and fully repaid on or before the maturity date of July 17, 2025.
Principal and interest on the New Term Loan in the aggregate amount of $1,415,740 was repaid in weekly payments of approximately $39,000 and was fully repaid before the maturity date of July 17, 2025 on July 7, 2025.
In accordance with Topic 606, we recognize revenue using the following five-step approach: 1. Identify the contract with the customer. 2. Identify the performance obligations in the contract. 3. Determine the transaction price of the contract. 4. Allocate the transaction price to the performance obligations of the contract. 5. Recognize revenue when or as the performance obligations are satisfied.
In accordance with Topic 606, we recognize revenue using the following five-step approach: 1. Identify the contract with the customer. 2. Identify the performance obligations in the contract. 3. Determine the transaction price of the contract. 4. Allocate the transaction price to the performance obligations of the contract. 32 Table of Contents 5.
We incurred a net loss of $18.4 million and $19.4 million for 2024 and 2023, respectively. Net cash used in operating activities was $17.6 million and $19.2 million for 2024 and 2023, respectively. As of December 31, 2024, we had cash on hand of $1.4 million.
We incurred a net loss of $9.6 million and $18.4 million for 2025 and 2024, respectively. Net cash used in operating activities was $12.4 million and $17.6 million for 2025 and 2024, respectively. As of December 31, 2025, we had cash on hand of $10.4 million.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations Overview We have developed a scalable, over-the-air WPN technology that integrates advanced semiconductor chipsets, software controls, hardware designs, and antenna systems to enable RF-based charging for IoT devices.
Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations Overview We have developed scalable, over-the-air WPN technology that integrates advanced semiconductor chipsets, software controls, hardware designs, and antenna systems to enable RF-based charging for ambient IoT devices, transforming supply chain capabilities from limited tracking to overall business intelligence.
We are subject to continuing exposure relating to the current macroeconomic environment, including inflation and rising interest rates, geopolitical factors, including the ongoing conflict between Russia and Ukraine as well as in the Middle East and the responses thereto and supply chain disruptions.
We are subject to ongoing exposure related to the current macroeconomic environment, including inflation, rising interest rates, geopolitical factors such as the ongoing conflict between Russia and Ukraine, tensions between the United States and China as well as China and Taiwan, conflicts in the Middle East, and supply chain disruptions.
Severance Expense: For the year ended December 31, 2024 2023 $ Change % Change Severance expense $ 1,377 $ 359 $ 1,018 284 % Percent of total revenue 179 % 76 % Severance expense for 2024 and 2023 was $1.4 million and $0.4 million, respectively.
Severance Expense: For the year ended December 31, 2025 2024 $ Change % Change Severance expense $ 403 $ 1,377 $ (974) (71) % Percent of total revenue 7 % 179 % Severance expense for 2025 and 2024 was $0.4 million and $1.4 million, respectively.
During the three months and year ended December 31, 2024, we sold 5,634,585 shares and 6,851,753 shares, respectively, of our common stock under the Current ATM Program for net proceeds of approximately $2.4 million and $3.1 million, respectively (net of commissions and other related offering expenses of approximately $0.1 million and $0.3 million, respectively).
During the year ended December 31, 2024, we sold 228,392 shares of our common stock under the ATM Program for net proceeds of approximately $3.2 million (net of commissions and other related offering expenses of approximately $0.3 million).
Those estimates are based on our historical operations, our future business plans and projected financial results, the terms of existing contracts, our observance of trends in the industry, information provided by our customers and information available from other outside sources, as appropriate. Please see Note 3 to our financial statements for a more complete description of our significant accounting policies.
Those estimates are based on our historical operations, our future business plans and projected financial results, the terms of existing contracts, our observance of trends in the industry, information provided by our customers and information 31 Table of Contents available from other outside sources, as appropriate.
GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the financial statements as well as the reported expenses during the reporting periods. Some of these judgments can be subjective and complex, and, consequently, actual results may differ from these estimates.
GAAP”) requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent liabilities at the date of the financial statements as well as the reported amounts of revenue and expenses during the reporting periods.
Cost of Revenue: For the year ended December 31, 2024 2023 $ Change % Change Cost of revenue $ 756 $ 279 $ 477 171 % Percent of total revenue 98 % 59 % Cost of revenue was $0.8 million and $0.3 million, respectively, for 2024 and 2023.
Cost of Revenue: For the year ended December 31, 2025 2024 $ Change % Change Cost of revenue $ 3,601 $ 756 $ 2,845 376 % Percent of total revenue 64 % 98 % Cost of revenue was $3.6 million and $0.8 million, respectively, for 2025 and 2024.
As of February 25, 2025, the Company had $11.7 million in cash on hand. Based on current operating levels and further cost reduction efforts implemented in the first quarter of 2025, we believe we have sufficient cash on hand to fund the next 12 months of operations.
Based on current operating levels and continuation of cost reduction efforts implemented during 2025, we believe we have sufficient cash on hand to fund the next 12 months of operations.
Sales and Marketing Costs: For the year ended December 31, 2024 2023 $ Change % Change Sales and marketing $ 3,066 $ 3,852 $ (786) (20) % Percent of total revenue 399 % 813 % Sales and marketing costs for 2024 and 2023 were $3.1 million and $3.9 million, respectively.
Sales and Marketing Costs: For the year ended December 31, 2025 2024 $ Change % Change Sales and marketing $ 2,359 $ 3,066 $ (707) (23) % Percent of total revenue 42 % 399 % Sales and marketing costs for 2025 and 2024 were $2.4 million and $3.1 million, respectively.
Principal and interest on the initial term loan in the aggregate amount of $756,000 was to be repaid in weekly payments of $27,000 commencing on October 14, 2024, and fully repaid on or before the maturity date of April 21, 2025.
Principal and interest on the Original Term Loan in the aggregate amount of $756,000 was to be repaid in weekly payments of $27,000 commencing on October 14, 2024 and fully repaid on or before the maturity date of April 21, 2025. 37 Table of Contents Effective November 5, 2024, we entered into an amended subordinated business loan agreement with the Lender (the “Amended Loan Agreement”) to refinance the Original Term Loan.
Use of Estimates. The preparation of financial statements in conformity with generally accepted accounting principles in the United States of America (“U.S.
Please see Note 3 to our financial statements for a more complete description of our significant accounting policies. Use of Estimates. The preparation of financial statements in conformity with generally accepted accounting principles in the United States of America (“U.S.
Each share of common stock and pre-funded warrant was offered and sold together with an accompanying warrant at a combined price of $1.96 per share of common stock or pre-funded warrant, as applicable. The pre-funded warrants were 34 Table of Contents exercised at a price of $0.001 per share during April 2024.
Each share of common stock and 2025 Pre-Funded Warrant was offered and sold together with an accompanying 2025 Warrant at a combined price of $7.92 per share of common stock or 2025 Pre-Funded Warrant and accompanying 2025 Warrant, as applicable.
Impact of Current Global Economic Conditions on Our Business Uncertainty in the global economy presents significant risks to our business.
As we continue to innovate our technology applications, we anticipate the release of additional wireless power-enabled products. Impact of Current Global Economic Conditions on Our Business Uncertainty in the global economy presents significant risks to our business.
We did not incur such cost during 2023. Net Loss. As a result of the factors described above, net loss for 2024 was $18.4 million, compared to $19.4 million for 2023. Liquidity and Capital Resources During 2024 and 2023, we recorded revenue of $0.8 million and $0.5 million, respectively.
Loss on extinguishment of short-term debt was $0.2 million during 2024. We did not incur such cost during 2025. Net Loss. As a result of the factors described above, the net loss for 2025 was $9.6 million, compared to $18.4 million for 2024.
General and Administrative Costs: For the year ended December 31, 2024 2023 $ Change % Change General and administrative $ 5,704 $ 7,272 $ (1,568) (22) % Percent of total revenue 743 % 1,534 % General and administrative costs for 2024 and 2023 were $5.7 million and $7.3 million, respectively.
General and Administrative Costs: For the year ended December 31, 2025 2024 $ Change % Change General and administrative $ 4,495 $ 6,293 $ (1,798) (29) % Percent of total revenue 80 % 819 % General and administrative costs for 2025 and 2024 were $4.5 million and $6.3 million, respectively.
Operating expenses are made up of research and development, sales and marketing, general and administrative, and severance expense. Loss from operations was $18.4 million and $22.1 million, respectively, for 2024 and 2023.
Operating expenses and Loss from Operations. Operating expenses are made up of research and development, sales and marketing, general and administrative, severance expense, and expenses from an abandoned financing transaction.
The decrease of $2.5 million is primarily due to a $1.7 million decrease in employee compensation, consisting primarily of a $1.3 million decrease in personnel-related expenses and a $0.4 million decrease in stock-based compensation, a $0.2 million decrease in legal fees pertaining to patents, a $0.2 million decrease in software and maintenance costs, a $0.1 million decrease in test development costs, a $0.1 million decrease in consulting and third-party expenses and a $0.1 million decrease in travel and miscellaneous office expenses.
The decrease of $3.6 million is primarily due to a $2.0 million decrease in employee-related costs, consisting primarily of an approximately $1.9 million decrease in personnel-related expenses and a $0.2 million decrease in stock-based compensation, a $1.3 million decrease in engineering prototype related expenses, supplies, and software costs, and a $0.2 million decrease in miscellaneous office expenses.
Our revenue consists of its single segment of wireless charging system solutions. The wireless charging system revenue consists of revenue from product development projects and production-level systems. We record revenue associated with product development projects that we enter into with certain customers.
Recognize revenue when or as the performance obligations are satisfied. Our revenue consists of its single segment of wireless charging system solutions. The wireless charging system revenue consists of revenue from product development projects and production-level systems. We record a majority of our revenue based on the shipment of products that we sell.
The decrease of $1.6 million is primarily due to a $0.5 million decrease in stock-based compensation, a $0.5 million decrease in consulting and third-party service fees, a $0.4 million decrease in insurance premiums, a $0.2 million decrease in accounting and auditing fees, a $0.1 million decrease in legal fees, a $0.1 million decrease in computer software and support, a $0.1 million decrease in annual meeting costs and a $0.1 million decrease in travel and miscellaneous office expenses, partially offset by a $0.3 million increase in stock registration expense and a $0.1 million increase in public relations and investor relations expenses.
The decrease of $1.8 million is primarily due to a $0.6 million decrease in legal fees, a $0.4 million decrease in corporate expenses primarily related to stock registration and annual meeting fees, a $0.3 million decrease in consulting, investor relations fees, a $0.2 million decrease in office rent, a $0.2 million decrease in insurance premiums, a $0.1 million decrease in supplies, a $0.1 million decrease in recruiting costs, and a $0.1 million decrease in stock-based compensation, partially offset by a $0.3 million increase in payroll costs accrued as a result of key milestones achieved during 2025 under the 2025 Bonus Plan and higher employee benefit costs.
On February 13, 2025, we filed a prospectus supplement covering the offering, issuance and sale of an additional $80.0 million in shares of our common stock under the ATM Program.
Among other adjustments since June 2024, we filed a prospectus supplement on February 13, 2025, providing for the issuance and sale of up to an additional $80.0 million of shares of common stock under the ATM Program. The maximum capacity under this prospectus supplement was subsequently reduced to $70.0 million on September 10, 2025.
Although we believe that its estimates and assumptions are reasonable, they are based upon information available at the time the estimates and assumptions were made. Actual results could differ from those estimates. Going Concern. Accounting Standards Codification (“ASC”) 205-40 Presentation of Financial Statements - Going Concern , requires management to assess our ability to continue as a going concern.
Some of these judgments can be subjective and complex, and, consequently, actual results may differ from these estimates. Although we believe that our estimates and assumptions are reasonable, they are based upon information available at the time the estimates and assumptions were made. Actual results could differ from those estimates. Going Concern.
We did not incur such cost during 2024. Other income resulting from the change in fair value of the warrant liability was $0.3 million during 2024 and $2.5 million during 2023. The changes for both periods were due to a lower market value of our common stock.
The changes for both periods were due to a lower market value of our common stock. As of December 31, 2025, the 2023 Warrants were fully exercised, eliminating the related warrant liability. Net interest income for 2025 was $0.2 million and $0 for 2024.
During 2024 and 2023, cash flows used in investing activities were $0.1 million and $0.2 million, respectively. The cash used in 2024 and 2023 was for the purchases of testing and computer equipment.
Investing Activities - During both 2025 and 2024, cash flows used in investing activities were $0.1 million.
February 2024 Equity Offering On February 15, 2024, we entered into a securities purchase agreement with an institutional investor, providing for the issuance and sale by us, in a registered direct offering (the “February 2024 Offering”), of (i) 570,000 shares of our common stock, (ii) pre-funded warrants to purchase up to 450,409 shares of common stock, and (iii) warrants to purchase up to an aggregate of 1,020,409 shares of common stock.
As of December 31, 2025, approximately $64.6 million in shares of common stock remained available for issuance under the ATM Program, subject to availability of authorized shares. 36 Table of Contents 2025 Offering On September 10, 2025, we entered into a securities purchase agreement with an institutional investor (the “Investor”), providing for the issuance and sale, in a registered direct offering (the “2025 Offering”), of (i) 120,000 shares of our common stock, (ii) pre-funded warrants to purchase up to 465,347 shares of common stock (the “2025 Pre-Funded Warrants”), and (iii) warrants to purchase up to an aggregate of 585,347 shares of common stock (the “2025 Warrants”).
In the fourth quarter of 2021, we commenced shipments of our first at-a-distance wireless PowerBridge transmitter systems for commercial IoT applications and proof-of-concept deployments. As we continue to innovate our technology applications, we anticipate the release of additional wireless power-enabled products.
In the fourth quarter of 2021, we commenced shipments of at-a-distance PowerBridge transmitter systems for commercial IoT applications and proof-of-concept deployments. In the second quarter of 2025, we introduced the battery-free e-Sense tag and the e-Compass cloud-based software platform, which together supported the first end-to-end wireless power-enabled IoT device monitoring and management solution.
In general, these product development projects are complex, and we do not have certainty about our ability to achieve the project milestones. The achievement of a milestone is dependent on our performance obligation and requires acceptance by the customer. We recognize this revenue at the point in time at which the performance obligation is met.
The achievement of a milestone is dependent on our performance obligation and requires acceptance by the customer. We recognize this revenue at the point in time at which the performance obligation is met. The payment associated with achieving the performance obligation is generally commensurate with our effort or the value of the deliverable and is nonrefundable.
We are closely monitoring the impact of these factors on all aspects of our business, including their impact on our operations, financial position, cash flows, inventory, supply chains, global regulatory approvals, purchasing trends, customer payments, and the industry in general, in addition to the impact on our employees.
These conditions may affect various aspects of our business, including our operations, financial position, cash flow, inventory management, supply chains, global regulatory approvals, purchasing trends, customer payment patterns, and the broader industry environment, as well as our employees.
The New Term Loan will be expressly subordinated to our obligations on certain senior indebtedness of the Company as provided in the Amended Loan Agreement. The Amended Loan Agreement replaces the Original Loan Agreement and otherwise contains substantially the same terms as the Original Loan Agreement.
The proceeds of the New Term Loan were used to repay in full the Original Term Loan, which had a settlement value of $648,000 on November 5, 2024. The New Term Loan was expressly subordinated to our obligations on certain senior indebtedness of the Company as provided in the Amended Loan Agreement.
Results of Operations Costs and Expenses Cost of revenue consists of direct materials, direct labor and overhead for our production-level wireless charging systems.
At the point of loss recognition, a new lower cost basis for that inventory is established and subsequent changes in facts and circumstances do not result in the restoration or increase in the new cost basis. Results of Operations Costs and Expenses Cost of revenue consists of direct materials, direct labor and overhead for our production-level wireless charging systems.
Research and Development Costs: For the year ended December 31, 2024 2023 $ Change % Change Research and development $ 8,275 $ 10,811 $ (2,536) (23) % Percent of total revenue 1,077 % 2,281 % Research and development costs for 2024 and 2023 were $8.3 million and $10.8 million, respectively.
The loss from operations was $10.0 million and $18.4 million, respectively, for 2025 and 2024. 34 Table of Contents Research and Development Costs: For the year ended December 31, 2025 2024 $ Change % Change Research and development $ 4,126 $ 7,686 $ (3,560) (46) % Percent of total revenue 73 % 1,001 % Research and development costs for 2025 and 2024 were $4.1 million and $7.7 million, respectively.
Net interest income for 2024 was $0, as $0.2 million in interest income from our money market account, offset $0.2 million in interest expense from a short-term loan. Interest income of $0.8 million during 2023 was from interest earned from our money market account. Loss on extinguishment of short-term debt was $0.2 million during 2024.
During 2025, we earned $0.5 million in interest from our money market account, partially offset by $0.3 million in interest expense related to a short-term loan, originated in 2024 and paid off in 2025. During 2024, we earned $0.2 million in interest from our money market account, offset by $0.2 million in interest expense from a short-term loan.
The other warrants to purchase 1,020,409 shares of common stock are still outstanding and have an exercise price of $1.84 per share. These warrants expire five years from the date of issuance. We received net proceeds of approximately $1.8 million from the February 2024 Offering, after deducting placement agent fees and estimated offering expenses.
The 2025 Pre-Funded Warrants expire when they are exercised in full and the 2025 Warrants expire five years from the date of issuance. The 2025 Offering closed on September 11, 2025. We received net proceeds of approximately $4.0 million from the 2025 Offering, after deducting placement agent fees and estimated offering expenses.
The decrease of $0.8 million is primarily due to a $0.8 million decrease in employee compensation, consisting of a $0.7 million decrease in personnel-related expenses due to a lower headcount within the department and a $0.1 million decrease in stock-based compensation, a $0.1 million decrease in tradeshow expense and a $0.1 million decrease in software, travel and miscellaneous office expenses, partially offset by a $0.2 million increase in consulting, third-party and public relations fees.
The decrease of $0.7 million is primarily due to a $0.5 million decrease in consulting, public relations, and recruiting fees, a $0.1 million decrease in marketing and tradeshow expenses, and a $0.1 million decrease in trademark and promotional expenses.
The increase of $1.0 million is primarily due to the departure of the former CEO during 2024 for which $1.2 million in severance expense was recorded, partially offset by $0.3 million in severance expense recorded during 2023 due to the departure of the former CFO. 33 Table of Contents Other income (expense), net: For the year ended December 31, 2024 2023 $ Change % Change Offering costs related to warrant liability $ — $ (592) $ 592 100 % Change in fair value of warrant liability 262 2,515 (2,253) (90) % Interest income, net — 809 (809) (100) % Loss on extinguishment of short-term debt (219) — (219) (100) % Other expense (31) — (31) (100) % Total other income (expense), net $ 12 $ 2,732 $ (2,720) (100) % Offering costs related to warrant liability were $0.6 million during 2023.
Other income (expense), net: For the year ended December 31, 2025 2024 $ Change % Change Change in fair value of warrant liability $ 257 $ 262 $ (5) (2) % Interest income, net 166 — 166 100 % Loss on retirement of property and equipment (1) — (1) (100) % Loss on extinguishment of short-term debt — (219) 219 100 % Discount fees from accounts receivable factoring agreements — (31) 31 100 % Total other income, net $ 422 $ 12 $ 410 3,417 % Other income resulting from the change in fair value of the warrant liability was approximately $0.3 million in both 2024 and 2025.
During 2023, cash flows provided by financing activities were $7.1 million, which consisted of $4.2 million in net proceeds from the sale of shares of our common stock under our prior at-the-market offering program, $2.7 million in net proceeds from the issuance and sale of common stock and warrants, $0.1 million in proceeds from a direct sale of common stock to the former Chief Executive Officer and $0.1 million in proceeds from the ESPP.
The cash used in 2025 and 2024 was for the purchases of testing hardware and computer equipment. 38 Table of Contents Financing Activities - During 2025, cash flows provided by financing activities were $21.6 million, which primarily consisted of $18.4 million in net proceeds from the sale of shares of our common stock under the ATM Program, $4.0 million in net proceeds from the sale of stock and warrants and $0.4 million in proceeds from warrant exercises, partially offset by $0.9 million in repayments of a short-term loan and $0.3 million in repayments of financed insurance.
After December 31, 2024, we settled sales of an additional 16,584,405 shares of our common stock for net proceeds of approximately $13.4 million (net of $0.7 million in commissions and issuance costs) under the ATM Program. These sales settled between January 2, 2025 and February 12, 2025.
In total, during the year ended December 31, 2025, we sold an aggregate of 1,107,968 shares of common stock under all prospectus supplements to the ATM Program for net proceeds of approximately $18.4 million (net of commissions and other related offering expenses of approximately $1.2 million).
We are currently meeting our liquidity requirements through the proceeds of securities offerings in at-the-market (ATM) offerings that raised net proceeds of $3.2 million during 2024 and $13.4 million during 2025 through February 25, 2025, as well as through a short-term loan on which we have a payable balance due of approximately $0.8 million as of December 31, 2024.
We are currently meeting our liquidity requirements through the collection of accounts receivable and net proceeds of securities offerings through the at-the-market ATM Program. As of March 23, 2026, cash on hand was $39.4 million.
The payment associated with achieving the performance obligation is generally commensurate with our effort or the value of the deliverable and is nonrefundable. Any deferred revenue is recognized upon achievement of the performance obligation or expiration of a support agreement.
Any deferred revenue is recognized upon achievement of the performance obligation or expiration of a support agreement. Inventory . We state inventory at the lower of cost, determined on a weighted average cost method, or net realizable value. Net realizable value is calculated at the end of each reporting period and an adjustment, if needed, is made.