Biggest changeWe were unable to achieve a quorum for the meeting, and as a result, withdrew the proposal. See "Liquidity" for further discussion. Equity Offering In January 2023, we completed a public offering of our common stock, whereby we sold 13,169,074 shares of common stock and 6,830,926 pre-funded warrants at $0.325 per share.
Biggest changeIn January 2023, we completed a public equity offering, whereby we sold 13,169,074 shares of common stock and 6,830,926 pre-funded warrants at $0.325 per share, or $0.3249 per pre-funded warrant. Each pre-funded warrant in the above offerings entitles the holder to one share of common stock upon exercise at a nominal exercise price of $0.0001 per share.
Product Revenue Increasingly, we derive our revenue from direct billing. We also derive revenue from the sale of our products to O&P providers in the United States and internationally and the VA.
Product Revenue Increasingly, we derive our revenue from direct billing, and we also derive revenue from the sale of our products to O&P providers in the United States and internationally and the VA.
In particular: • Adjusted EBITDA does not include interest income; • Adjusted EBITDA does not reflect the amounts we paid in taxes or other components of our tax provision; • Adjusted EBITDA does not include depreciation expense from fixed assets, or amortization of leased assets; • Adjusted EBITDA does not include the impact of stock-based compensation; and • Adjusted EBITDA does not include the loss on equity investment in the JV Company.
In particular: • Adjusted EBITDA does not include interest income, net; • Adjusted EBITDA does not reflect the amounts we paid in taxes or other components of our tax provision; • Adjusted EBITDA does not include depreciation expense from fixed assets, or amortization of leased assets; • Adjusted EBITDA does not include the impact of stock-based compensation; and • Adjusted EBITDA does not include the loss on equity investment in the JV Company.
The assignment of unique L-Codes, if followed by appropriate payment terms (which are still pending), would offer greater access to the MyoPro for Medicare beneficiaries. • In 2019 we transitioned our business to become a direct provider of the MyoPro to patients and bill insurance companies directly. • In July 2021, we announced that we became accredited as a Medicare provider. • In January 2022, we introduced the MyoPro 2+ and began in-house fabrication of the device.
The assignment of unique L-Codes, if followed by appropriate payment terms (which are still pending), may offer greater access to the MyoPro for Medicare beneficiaries. • In 2019 we transitioned our business to become a direct provider of the MyoPro to patients and bill insurance companies directly. • In July 2021, we announced that we became accredited as a Medicare provider. • In January 2022, we introduced the MyoPro 2+ and began in-house fabrication of the device.
Loss on equity investment represents our share of the losses incurred by the JV Company, which began limited operations in 2022. Income tax expense Income tax expense recorded during the years ended December 31, 2022 and 2021 represents the provision for income taxes for our wholly-owned subsidiary, Myomo Europe GmbH.
Loss on equity investment represents our share of the losses incurred by the JV Company, which began limited operations in 2023. Income tax expense Income tax expense recorded during the years ended December 31, 2023 and 2022 represents the provision for income taxes for our wholly-owned subsidiary, Myomo Europe GmbH.
Other milestones our history include: • In 2012, we introduced the MyoPro, the primary business focus shifted during this time period, from devices which were designed for rehabilitation therapy and sold to hospitals, to providing an assistive device through O&P providers to patients who are otherwise impaired for use at home, work, and in the community that facilitates ADLs. • During 2015, we extended our basic MyoPro for the elbow with the introduction of the MyoPro Motion W, a multi-articulated non-powered wrist and the MyoPro Motion G, which includes a powered grasp.
Other milestones in our history include: • In 2012, we introduced the MyoPro, the primary business focus shifted during this time period, from devices which were designed for rehabilitation therapy and sold to hospitals, to providing an assistive device through O&P providers to patients who are otherwise impaired for use at home, work, and in the community that facilitates activities of daily living or ADLs. • During 2015, we extended our basic MyoPro for the elbow with the introduction of the MyoPro Motion W, a multi-articulated non-powered wrist and the MyoPro Motion G, which includes a powered grasp.
During the fourth quarter of 2022, we sold 692,914 shares of common stock under the Purchase Agreement with Keystone at a weighted average sales price of $0.683 per share, generating proceeds after fees and expenses of approximately $0.4 million.
During the fourth quarter of 2022, we sold 692,914 shares of common stock under a Common Stock Purchase Agreement with Keystone Capital Partners, LLC at a weighted average sales price of $0.683 per share, generating proceeds after fees and expenses of approximately $0.4 million.
The net cash used in operating activities for the year ended December 31, 2022 was primarily used to fund a net loss net approximately $10.7 million, adjusted for non-cash expenses in the aggregate amount of approximately $1.9 million of which approximately $1.1 million of non-cash adjustments related to stock-based compensation, and approximately $1.4 million of cash used from changes in operating assets and liabilities, primarily related to an increase in inventory and decreases in accounts payable and accrued expenses and operating lease liabilities.
Net cash used in operating activities for the year ended December 31, 2022 was primarily used to fund a net loss net approximately $10.7 million, adjusted for non-cash expenses in the aggregate amount of approximately $1.9 million of which approximately $1.2 million of non-cash adjustments related to stock-based compensation, and approximately $1.4 million of cash used from changes in operating assets and liabilities, primarily related to a decrease in accounts payable and accrued expenses and an increase in inventory.
We reported a net loss for the years ended December 31, 2022 and 2021, and as a result, all potentially dilutive common shares are considered antidilutive for these years.
We reported a net loss for the years ended December 31, 2023 and 2022, and as a result, all potentially dilutive common shares are considered antidilutive for these years.
Comparison of the year ended December 31, 2022 to the year ended December 31, 2021 The following table sets forth our revenue, gross profit and gross margin for each of the years presented.
Comparison of the year ended December 31, 2023 to the year ended December 31, 2022 The following table sets forth our revenue, gross profit and gross margin for each of the years presented.
The MyoPro Motion G model allows users with severely weakened or clenched hands, such as seen in certain stroke survivors, to open and close their hands and perform a large number of ADLs. • On June 9, 2017, we completed our initial public offering (“IPO”) and a private offering concurrent with the IPO, generating net proceeds of $6.9 million in the aggregate. 45 Table of Contents • On July 31, 2017, we met the criteria to apply the CE Mark for the MyoPro.
The MyoPro Motion G model allows users with severely weakened or clenched hands, such as seen in certain stroke survivors, to open and close their hands and perform a large number of ADLs. • On June 9, 2017, we completed our initial public offering, or IPO, and a private offering concurrent with the IPO, generating net proceeds of $6.9 million in the aggregate. 44 Table of Contents • On July 31, 2017, we met the criteria to apply the CE mark for the MyoPro under the EU MDD.
Since we are directly providing the device to the patient and then billing insurance ourselves, we refer to this process as direct billing. We also call on hospitals and O&P practices in the U.S., Europe and Australia that provide our products to their patients as well as generate indirect sales.
Since we are directly providing the device to the patient and then billing insurance ourselves, we refer to this process as direct billing. We also call on hospitals and O&P practices in the United States, Europe and Australia that provide our products to their patients as well as generate indirect sales.
These insurers represented approximately 44% and 39% of the direct billing channel revenue in 2022 and 2021, respectively. Depending on the timing of product deliveries to customers, which is when cost of revenue must be recorded, and when we meet the criteria to record revenue, there may be fluctuations in gross margin.
These insurers represented approximately 66% and 44% of the direct billing channel revenue in 2023 and 2022, respectively. Depending on the timing of product deliveries to customers, which is when cost of revenue must be recorded, and when we meet the criteria to record revenue, there may be fluctuations in gross margin.
We also sell our products to O&P providers in the U.S. Europe and Australia, to the VA and to rehabilitation hospitals. Though we increasingly provide devices directly to patients, we sometimes utilize the clinical services of O&P providers for which they are paid a fee.
We also sell our products to O&P providers in the United States. Europe and Australia, to the VA and to rehabilitation hospitals. Though we increasingly provide devices directly to patients, we sometimes utilize the clinical services of O&P providers for which they are paid a fee.
Under ASC 740, deferred tax assets and liabilities are determined based on the difference between the financial reporting and tax bases of assets and liabilities and net operating loss and credit carryforwards using enacted tax rates in effect for the year in which the differences are expected to impact taxable income.
Income Taxes We account for income taxes under ASC 740, “Income Taxes under ASC 740”, deferred tax assets and liabilities are determined based on the difference between the financial reporting and tax bases of assets and liabilities and net operating loss and credit carryforwards using enacted tax rates in effect for the year in which the differences are expected to impact taxable income.
Recent Accounting Standards In September 2022, the FASB issued ASU 2022-04, Liabilities - Supplier Finance Programs (Subtopic 405-50): Disclosure of Supplier Finance Program Obligations that requires entities that use supplier finance programs in connection with the purchase of goods and services to disclose the key terms of the programs and information about obligations outstanding at the end of the reporting period, including a rollforward of those obligations.
Recent Accounting Standards In September 2022, the FASB issued ASU 2022-04, “Liabilities - Supplier Finance Programs” (Subtopic 405-50): Disclosure of Supplier Finance Program Obligations, that requires entities that use supplier finance programs in connection with the purchase of goods and services to disclose the key terms of the programs and information about obligations outstanding at the end of the reporting period, including a roll-forward of those obligations.
We used $10.2 million in cash for operating activities during the year ended December 31, 2022. We have historically funded our operations through financing activities, including raising equity and debt capital.
We used $6.2 million in cash for operating activities during the year ended December 31, 2023. We have historically funded our operations through financing activities, including raising equity and debt capital.
The new standard’s requirements to disclose the key terms of the programs and information about obligations outstanding are effective for fiscal years, including interim periods, beginning after December 15, 2022, except for the requirement to disclose a rollforward of obligations outstanding will be effective for fiscal years beginning after December 15, 2023. Early adoption is permitted.
The new standard’s requirements to disclose the key terms of the programs and information about obligations outstanding are effective for fiscal years, including interim periods, beginning after December 15, 2022, except for the requirement to disclose a roll-forward of obligations outstanding will be effective for fiscal years 53 Table of Contents beginning after December 15, 2023. Early adoption is permitted.
This has enabled us to sell the MyoPro to individuals in the European Union (the “EU”). • In November 2018, we announced that the CMS had published two new codes (L8701, L8702) pursuant to our application for HCPCS codes which become effective in early 2019.
This has enabled us to sell the MyoPro to individuals in the EU. • In November 2018, we announced that the CMS had published two new codes (L8701, L8702) that describe our products, pursuant to our application for HCPCS codes which become effective in early 2019.
The net cash used in operating activities for the year ended December 31, 2021 was primarily used to fund a net loss net approximately $10.4 million, adjusted for non-cash expenses in the aggregate amount of approximately $1.4 million of which approximately $1.1 million of non-cash adjustments related to stock-based compensation, and approximately $0.6 million of cash used from changes in operating assets and liabilities, primarily related to an increase in accounts payable and accrued expenses, offset by increases in inventory and accounts receivable.
The net cash used in operating activities for the year ended December 31, 2023 was primarily used to fund a net loss net approximately $8.1 million, adjusted for non-cash expenses in the aggregate amount of approximately $1.7 million of which approximately $1.1 million is related to non-cash adjustments related to stock-based compensation, and approximately $0.34 million of cash generated from changes in operating assets and liabilities, primarily related to an increase in accounts payable and accrued expenses, offset by increases in inventory and accounts receivable.
Leases We account for leases under Accounting Standards Codification (“ASC”) Topic 842, leases. We assess whether a contract is or contains a lease at inception of the contract and recognize right-of-use assets and corresponding lease liabilities at the lease commencement date, except for short-term leases, which are under one year, and leases of low value.
We assess whether a contract is or contains a lease at inception of the contract and recognize right-of-use assets and corresponding lease liabilities at the lease commencement date, except for short-term leases, which are under one year, and leases of low value.
R&D costs are expensed as they are incurred. We intend to enhance our existing products in 2023 and expect R&D costs to increase on an annual basis. R&D expenses decreased by approximately $0.1 million or 3% in 2022 compared to 2021.
R&D costs are expensed as they are incurred. We intend to enhance our existing products in 2024 and expect R&D costs to increase on an annual basis. R&D expenses increased by approximately $0.2 million or 6% in 2023 compared to 2022.
The decrease in income tax expense relates to decreased income from Myomo Europe GmbH in 2022 compared to 2021. 48 Table of Contents Adjusted EBITDA We believe that the presentation of Adjusted EBITDA, a non-GAAP financial measure, provides investors with additional information about our financial results.
The increase in income tax expense relates to increased income from Myomo Europe GmbH in 2023 compared to 2022. Adjusted EBITDA We believe that the presentation of Adjusted EBITDA, a non-GAAP financial measure, provides investors with additional information about our financial results.
The revenue increase was driven primarily by a higher average selling price, offset by a lower number of revenue units . Including the license revenue received from our joint venture partner in China, total revenue increased 12% compared to 2021.
The revenue increase was driven primarily by a higher average selling price, as well as a higher number of revenue units. Including the license revenue received from our joint venture partner in China, total revenue increased 24% compared to 2022.
Revenues generated through the direct billing channel were approximately $10.7 million, or 74% of product revenue in 2022, compared to approximately $10.7 million, or 77% of product revenue in 2021.
Revenues generated through the direct billing channel were approximately $12.3 million, or 71% of product revenue in 2023, compared to approximately $10.7 million, or 74%, of product revenue in 2022.
Gross margin Cost of revenue consists of direct costs for the manufacturing, casting/printing of orthotic parts, fabrication and fitting of our products, inventory reserves, warranty costs, royalties associated with licensed technologies and instruction. Gross margin decreased to 65.9% for the year ended December 31, 2022, as compared to 74.4% in the comparable period of 2021.
Gross margin Cost of revenue consists of direct costs for the manufacturing, casting/printing of orthotic parts, fabrication and fitting of our products, inventory reserves, warranty costs and royalties associated with licensed technologies. 46 Table of Contents Gross margin increased to 68.5% for the year ended December 31, 2023, as compared to 65.9% in the comparable period of 2022.
Our technology was originally developed at MIT in collaboration with medical experts affiliated with Harvard Medical School. Myomo was incorporated in 2004 and completed licensing of its technology from MIT in 2006.
Our technology was originally developed at MIT in collaboration with medical experts affiliated with Harvard Medical School. Myomo was incorporated in 2004.
The MyoPro product line has been approved by the VA system for impaired veterans, and over 70 VA facilities have ordered devices for their patients Our myoelectric orthoses have been clinically shown in peer reviewed published research studies to help regain the ability to complete functional tasks by supporting the affected joint and enabling individuals to self-initiate and control movement of their partially paralyzed limbs by using their own muscle signals.
Our myoelectric orthoses have been clinically shown in peer reviewed published research studies to help regain the ability to complete functional tasks by supporting the affected joint and enabling individuals to self-initiate and control movement of their partially paralyzed limbs by using their own muscle signals.
Investing Activities . During the year ended December 31, 2022 our cash used in investing activities of $0.3 million was primarily due to our investment in a joint venture with Ryzur Medical and purchases of equipment. Cash used in investing activities in 2021 was primarily for leasehold improvements to our new headquarters facility in Boston. Financing Activities .
Investing Activities . During the year ended December 31, 2023 our cash used in investing activities of $2.0 million was primarily due to our investment in short-term investments and purchases of equipment. Cash used in investing activities in 2022 was primarily for our investment in a joint venture with Ryzur Medical and purchases of equipment. Financing Activities .
During the year ended December 31, 2022 cash provided by financing activities of approximately $0.4 million was due to net proceeds received from stock issued under our equity line of credit.
During the year ended December 31, 2022 cash provided by financing activities of approximately $0.4 million was due to net proceeds received from stock issued under our equity line of credit. Off-Balance Sheet Arrangements We did not have any off-balance sheet arrangements in the years ended December 31, 2023 and December 31, 2022.
We recognize revenue after applying the following five steps: 1) Identification of the contract, or contracts, with a customer, 2) Identification of the performance obligations in the contract, including whether they are distinct within the context of the contract 3) Determination of the transaction price, including the constraint on variable consideration 4) Allocation of the transaction price to the performance obligations in the contract 5) Recognition of revenue when, or as, performance obligations are satisfied 52 Table of Contents Revenue is recognized when control of these services is transferred to our customers, in an amount that reflects the consideration we expect to be entitled to in exchange for those services.
We recognize revenue after applying the following five steps: 51 Table of Contents 1) Identification of the contract, or contracts, with a customer; 2) Identification of the performance obligations in the contract, including whether they are distinct within the context of the contract; 3) Determination of the transaction price, including the constraint on variable consideration; 4) Allocation of the transaction price to the performance obligations in the contract; and 5) Recognition of revenue when, or as, performance obligations are satisfied.
For these leases, we recognize the lease payments as an operating expense on a straight-line basis over the term of the lease. 53 Table of Contents Income Taxes We account for income taxes under ASC 740 Income Taxes.
For these leases, we recognize the lease payments as an operating expense on a straight-line basis over the term of the lease.
We expect that our revenues will continue to grow, primarily as a result of our increased patient pipeline entering 2023 and through higher revenue from O&P practices outside of the United States. Product revenue in 2022 increased by approximately $0.7 million, or 5% compared to 2021.
We expect that our revenues will continue to grow, primarily as a result of our expected ability to serve Medicare Part B beneficiaries and through expected higher revenue from O&P practices outside of the United States. Product revenue in 2023 increased by approximately $2.9 million, or 20%, compared to 2022.
Under the Agreements, we and the JV Company have entered into a ten-year agreement to license our intellectual property, including recently issued patents in China and Hong Kong, and purchase MyoPro Control System units from us.
Under the Agreements, we and the JV Company have entered into a ten-year agreement to license our intellectual property, including recently issued patents in China and Hong Kong, and purchase MyoPro Control System units from us. Under the Agreements, we were entitled to receive an upfront license fee of $2.7 million, which has been paid as of December 31, 2023.
Years Ended December 31, Year-to-year change 2022 2021 $ % Research and development $ 2,482,489 $ 2,557,367 $ (74,878 ) (3 %) Selling, general and administrative 18,442,811 18,022,975 419,836 2 Total operating expenses $ 20,925,300 $ 20,580,342 $ 344,958 2 % 47 Table of Contents Research and development Research and development (“R&D”) expenses consist of costs for our R&D personnel, including salaries, benefits, bonuses and stock-based compensation, product development costs, clinical studies and the cost of certain third-party contractors and travel expense.
Years Ended December 31, Year-to-year change 2023 2022 $ % Research and development $ 2,636,487 $ 2,482,489 $ 153,998 6 % Selling, general and administrative 18,777,445 18,442,811 334,634 2 Total operating expenses $ 21,413,932 $ 20,925,300 $ 488,632 2 % Research and development Research and development (“R&D”) expenses consist of costs for our R&D personnel, including salaries, benefits, bonuses and stock-based compensation, product development costs, clinical studies and the cost of certain third-party contractors and travel expense.
Revenues may be recognized upon shipment or upon delivery, depending on the terms of the arrangement, provided that persuasive evidence of an arrangement exists, there are no uncertainties regarding customer acceptance and collectability is deemed probable. In certain cases, we ship its products to O&P providers pending reimbursement from non-government, third-party payers.
Revenues may be recognized upon shipment or upon delivery, depending on the terms of the arrangement, provided that persuasive evidence of an arrangement exists, there are no uncertainties regarding customer acceptance and collectability is deemed probable.
GAAP. 49 Table of Contents The following table provides a reconciliation of net loss to Adjusted EBITDA for each of the years indicated: 2022 2021 GAAP net loss $ (10,721,022 ) $ (10,372,329 ) Adjustments to reconcile to Adjusted EBITDA: Interest income (88,731 ) (1,612 ) Loss on equity investment 66,511 - Income Taxes 69,937 88,928 Depreciation and amortization expense 192,799 145,995 Stock-based compensation 1,190,494 1,096,408 Adjusted EBITDA $ (9,290,012 ) $ (9,042,610 ) Liquidity and Capital Resources Liquidity We measure our liquidity in a number of ways, including the following: December 31, 2022 2021 Cash $ 5,345,967 $ 15,524,378 Working capital 5,613,521 14,903,804 We had working capital and stockholders’ equity of approximately $5.6 million and $6.4 million respectively, as of December 31, 2022.
GAAP. 48 Table of Contents The following table provides a reconciliation of net loss to Adjusted EBITDA for each of the years indicated: 2023 2022 GAAP net loss $ (8,147,565 ) $ (10,721,022 ) Adjustments to reconcile to Adjusted EBITDA: Interest income, net (410,274 ) (88,731 ) Loss on equity investment 169,503 66,511 Income taxes 156,002 69,937 Depreciation and amortization expense 164,306 192,799 Stock-based compensation 1,115,602 1,190,494 Adjusted EBITDA $ (6,952,426 ) $ (9,290,012 ) Liquidity and Capital Resources Liquidity We measure our liquidity in a number of ways, including the following: December 31, 2023 2022 Cash and cash equivalents $ 6,871,306 $ 5,345,967 Short-term investments $ 1,994,662 - Working capital 8,173,925 5,613,521 We had working capital and stockholders’ equity of approximately $8.2 million and $9.0 million respectively, as of December 31, 2023.
Cash Flows Year Ended December 31, 2022 2021 Net cash used in operating activities $ (10,233,542 ) $ (9,547,695 ) Net cash used in investing activities (310,793 ) (326,462 ) Net cash provided by financing activities 376,858 13,167,666 Effect of foreign exchange rate changes on cash (10,934 ) (10,392 ) Net increase (decrease) in cash and cash equivalents $ (10,178,411 ) $ 3,283,117 Operating Activities .
Cash Flows Year Ended December 31, 2023 2022 Net cash used in operating activities $ (6,172,764 ) $ (10,233,542 ) Net cash used in investing activities (2,029,565 ) (310,793 ) Net cash provided by financing activities 9,713,457 376,858 Effect of foreign exchange rate changes on cash 14,211 (10,934 ) Net increase (decrease) in cash and cash equivalents $ 1,525,339 $ (10,178,411 ) Operating Activities .
Variable compensation for personnel engaged in sales and marketing activities is generally earned and recorded as expense when the product is delivered.
Variable compensation for personnel engaged in sales and marketing activities is generally earned and recorded as expense when the product is delivered. We expect sales and marketing expenses to increase in 2024 as we increase our clinical capacity to serve Medicare Part B beneficiaries.
The increase was primarily due to higher advertising and insurance costs, offset by lower payroll costs related to lower bonus compensation in 2022. Other expense (income) The following table sets forth our interest and other expense (income) for each of the years presented.
The increase was primarily due stock compensation expense, and professional fees, partially offset by a decrease in wages as well as lower advertising costs in 2023. 47 Table of Contents Other expense (income) The following table sets forth our interest and other expense (income) for each of the years presented.
Accounts Receivable We carry accounts receivable at invoiced amounts less an allowance for doubtful accounts. We evaluate our accounts receivable on a continuous basis, and if necessary, establish an allowance for doubtful accounts based on a number of factors, including current credit conditions and customer payment history.
We evaluate our accounts receivable on a continuous basis, and if necessary, establish an allowance for credit losses based on a number of factors, including current credit conditions and customer payment history. We do not require collateral or accrue interest on accounts receivable and credit terms are generally 30 days.
The decrease in gross margin was driven primarily by higher component costs and other costs in the current inflationary environment, unabsorbed fixed costs and an increase in the warranty reserve. We expect our gross margins to vary depending on the mix of channel revenues and timing of reimbursements from certain third-party payers, which impacts revenue recognition.
The increase in gross margin on product sales, was driven by a higher average selling price, as well as higher revenues in 2023. We expect our gross margin to vary depending on the mix of channel revenues and timing of reimbursements from certain third-party payers, which impacts revenue recognition.
There can be no assurance we will be successful in implementing our plans to sustain our operations and continue to conduct our business.
We may also explore strategic alternatives for the purpose of maximizing 49 Table of Contents stockholder value. There can be no assurance we will be successful in implementing our plans to sustain our operations and continue to conduct our business.
In many cases, we are not able to recognize revenue in these situations until payment is received, as then all of the revenue recognition criteria have been met. We have elected to record taxes collected from customers on a net basis and do not include tax amounts in revenue or cost of revenue.
We have elected to record taxes collected from customers on a net basis and do not include tax amounts in revenue or cost of revenue.
Quantitative and Qualitat ive Disclosures about Market Risk This item is not applicable to us as a smaller reporting company. Item 8. Financial Statemen ts and Supplementary Data See the financial statements filed as part of this Annual Report on Form 10-K as listed under Item 15 below. Item 9.
Financial Statemen ts and Supplementary Data See the financial statements filed as part of this Annual Report on Form 10-K as listed under Item 15 below. Item 9. Changes in and Disagreements with Accou ntants on Accounting and Financial Disclosure Not Applicable.
The cash in these accounts is held for working capital purposes and invested by the bank in overnight money market funds that invest in short-term government or government backed securities. Our primary objective is to preserve our capital for purposes of funding our operations. Item 7A.
Quantitative and Qualitative Disclosure about Market Risk Our unrestricted cash and cash equivalents, totaling approximately $6.9 million as of December 31, 2023, was deposited in bank accounts. The cash in these accounts is held for working capital purposes and invested by the bank in overnight money market funds that invest in short-term government or government backed securities.
Off-Balance Sheet Arrangements We did not have any off-balance sheet arrangements in the years ended December 31, 2022 and December 31, 2021. 51 Table of Contents Critical Accounting Policies and Estimates Use of Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America require management to make estimates and assumptions that affect certain reported amounts and disclosures.
Critical Accounting Policies and Estimates Use of Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States of America require management to make estimates and assumptions that affect certain reported amounts and disclosures. These estimates and assumptions are reviewed on an on-going basis and updated as appropriate.
We expect that general and administrative expenses will increase slightly in 2023 as a result of increased incentive compensation expense, offset by the effect of the reduction in force in January 2023. Selling, general and administrative expenses increased by approximately $0.4 million or 2% in 2022 compared to 2021.
We expect that general and administrative expenses will increase in 2024 as a result of increasing our reimbursement capacity in order to serve Medicare Part B beneficiaries. Selling, general and administrative expenses increased by approximately $0.3 million or 2% in 2023 compared to 2022.
Years Ended December 31, Year-to-year change 2022 2021 $ % Product revenue $ 14,555,229 $ 13,856,374 $ 698,855 5 % License revenue 1,000,000 - 1,000,000 NM Total revenue 15,555,229 13,856,374 1,698,855 12 Cost of revenue 5,302,133 3,544,097 1,758,036 50 Gross profit $ 10,253,096 $ 10,312,277 $ (59,181 ) - Gross margin 65.9 % 74.4 % (8.5 %) Revenues We derive revenue primarily from providing devices directly to patients and billing insurance companies directly.
Years Ended December 31, Year-to-year change 2023 2022 $ % Product revenue $ 17,476,238 $ 14,555,229 $ 2,921,009 20 % License revenue 1,764,920 1,000,000 764,920 NM Total revenue 19,241,158 15,555,229 3,685,929 24 Cost of revenue 6,058,775 5,302,133 756,642 14 Gross profit $ 13,182,383 $ 10,253,096 $ 2,929,287 29 Gross margin 68.5 % 65.9 % 2.6 % Revenues We derive revenue primarily from providing devices directly to patients and billing insurance companies directly.
During the year ended December 31, 2021 cash provided by financing activities of approximately $13.2 million was primarily due to approximately $12.1 million of net proceeds received from the exercise of warrants and net proceeds of approximately $1.1 million from the issuance of shares through our ATM facility.
During the year ended December 31, 2023 cash provided by financing activities of approximately $9.7 million was due to net proceeds received from the sale of common stock and pre-funded warrants, net of offering costs.
The JV Company, once fully operational will manufacture and sell our current and future products in greater China, including Hong Kong, Macau and Taiwan. We account for our investment in the JV Company under the equity method because we exert significant influence over its management. The investment is included in total assets on the consolidated balance sheet.
We account for our investment in the JV Company under the equity method because we exert significant influence over its management. The investment is included in total assets on the consolidated balance sheet, which was fully written off to loss on equity investment in other income (expense), net as of December 31, 2023.
Considering our cash balance as of December 31, 2022 and net proceeds from the equity offering in January 2023 as well as our cash used from operations during the year ended December 31, 2022, management believes there is substantial doubt regarding our ability to continue as a going concern for the next 12 months from the date of this report.
Considering our cash balance as of December 31, 2023, the net proceeds from the equity offering in January 2024 and managements plans to grow our clinical, reimbursement and manufacturing capacity to serve Medicare Part B beneficiaries in 2024, management believes there will be sufficient cash to fund our operations and capital expenditures for the next 12 months from the date of this report.
If we are unable to obtain adequate funds on reasonable terms, we may be required to significantly curtail or discontinue operations or obtain funds by entering into financing agreements on unattractive terms. We may also explore strategic alternatives for the purpose of maximizing stockholder value.
We believe that we have access to capital resources, if necessary, through potential public or private equity offerings, exercises of outstanding warrants, debt financings, or other means. If we are unable to obtain adequate funds on reasonable terms, we may be required to significantly curtail or discontinue operations or obtain funds by entering into financing agreements on unattractive terms.
Years Ended December 31, Year-to-year change 2022 2021 $ % Interest income $ (88,731 ) $ (1,612 ) $ (87,119 ) NM Other expense, net 1,101 16,948 (15,847 ) (94 )% Loss on equity investment 66,511 - 66,511 NM Total other expense (income) $ (21,119 ) $ 15,336 $ (36,455 ) (238 )% Interest income increased due to higher interest rates in 2022.
Years Ended December 31, Year-to-year change 2023 2022 $ % Interest income, net $ (410,274 ) $ (88,731 ) $ (321,543 ) 362 % Other expense, net 785 1,101 (316 ) (29 ) Loss on equity investment 169,503 66,511 102,992 155 Total other income $ (239,986 ) $ (21,119 ) $ (218,867 ) 1036 % Interest income increased due to higher interest rates and a higher average investment balances in 2023.
We do not require collateral or accrue interest on accounts receivable and credit terms are generally 30 days. Joint Venture On March 28, 2022, we invested cash consideration of $199,000 for a 19.9% ownership stake in the JV Company.
Joint Venture On March 28, 2022, we invested cash consideration of $199,000 for a 19.9% ownership stake in the JV Company. The JV Company, once fully operational will manufacture and sell our current and future products in greater China, including Hong Kong, and Taiwan.
See "Liquidity" for further discussion. 46 Table of Contents Results of Operations We have been growing revenues while incurring net losses and negative cash flows from operations since inception and anticipate this to continue in 2023 as we focus our efforts on patients with insurance payers who have reimbursed for the MyoPro in the past, grow our operations in Germany and invest in the enhancement of our MyoPro products.
Results of Operations We have been growing revenues while incurring net losses and negative cash flows from operations since inception and anticipate this to continue at least through the third quarter of 2024.
Under the Agreements, we are entitled to receive an upfront license fee of $2.7 million, of which $1.0 million has been paid concurrent with the beginning of limited operations as of December 31, 2022.
Under the JV Agreements, we were entitled to receive an upfront license fee of $2.7 million, which was paid in full as of December 31, 2023. We are entitled to guaranteed minimum payments for purchases of MyoPro Control Units for a period of 10 years from the effective date of the Technology License Agreement.
These estimates and assumptions are reviewed on an on-going basis and updated as appropriate. Actual results could differ from those estimates. Our significant estimates include the valuation of our deferred tax valuation allowances, valuation of stock-based compensation, warranty obligations, the discount rate on leases and inventory reserves.
Our significant estimates include the valuation of our deferred tax valuation allowances, valuation of stock-based compensation, warranty obligations, the discount rate on leases and inventory reserves. 50 Table of Contents Cash Equivalents and Short-Term Investments We consider all highly liquid investments with an original maturity of three months or less when purchased to be cash equivalents.