Biggest changeNet cash used in operating activities was $8.6 million for the year ended September 30, 2021, which consisted of a net loss of $9.9 million partially offset primarily by stock-based compensation, depreciation, amortization related to intangible assets, revaluation of convertible notes, non-cash lease expense and Paycheck Protection Program loan forgiveness, totaling approximately $1.9 million in the aggregate.
Biggest changeFor the Years Ended September 30, 2023 2022 Net cash used in operating activities $ (12,886,874 ) $ (7,519,534 ) Net cash provided by (used in) investing activities 2,649,964 (3,244,765 ) Net cash provided by financing activities 7,399,074 12,023,282 Net (decrease) increase in cash $ (2,837,836 ) $ 1,258,983 Net cash used in operating activities Net cash used in operating activities was $12.9 million for the year ended September 30, 2023, which consisted of a net loss of $11.9 million partially offset by non-cash stock-based compensation, depreciation, amortization related to intangible assets and short term investment premiums and discounts, operating lease expense and loss on disposal of fixed assets, totaling approximately $1.4 million in the aggregate.
In accordance with the provisions under ASC 606, we identified five performance obligations under the Zimmer Development Agreement and Amendment: (1) our obligation to grant Zimmer access to our intellectual property; (2) completion SEEG Product development; (3) completion of Strip/Grid Product development; (4) the provision of sEEG exclusivity maintenance; and (5) sEEG design modifications as requested by Zimmer.
In accordance with the provisions under ASC 606, we identified five performance obligations under the Zimmer Development Agreement and Amendment: (1) our obligation to grant Zimmer access to our intellectual property; (2) completion of sEEG Product development; (3) completion of Strip/Grid Product development; (4) the provision of sEEG exclusivity maintenance; and (5) sEEG design modifications as requested by Zimmer.
These increases will include increased costs related to the hiring of additional personnel and fees for legal and professional services, as well as other public company related costs. Research and Development Research and development expenses consist of expenses incurred in performing research and development activities in developing our cortical strip, grid electrode and depth electrode technology.
These increases will include increased costs related to the hiring of additional personnel and fees for legal and professional services, as well as other public company related costs. Research and Development Research and development expenses consist of expenses incurred in performing research and development activities in developing our cortical strip and grid electrode and depth electrode technology.
We expect our research and development expenses to significantly increase over the next several years as we develop our cortical strip, grid electrode and depth electrode technology and conduct preclinical testing and clinical trials and will depend on the duration, costs and timing to complete our preclinical programs and clinical trials.
We expect our research and development expenses to significantly increase over the next several years as we develop our cortical strip and grid electrode and depth electrode technology and conduct preclinical testing and clinical trials and will depend on the duration, costs and timing to complete our preclinical programs and clinical trials.
In consideration of the mutual covenants and agreements contained in the Development Agreement, certain fee and milestone payment provisions in the Development Agreement were replaced with the following below: ● $1.5 million for the sEEG exclusivity maintenance fee; and ● $2.0 million for satisfaction of each of the milestone events related to the design of SEEG Products set forth in the Development Agreement, even though the satisfaction was after the deadlines originally identified.
In consideration of the mutual covenants and agreements contained in the Zimmer Development Agreement, certain fee and milestone payment provisions in the Zimmer Development Agreement were replaced with the following below: ● $1.5 million for the sEEG exclusivity maintenance fee; and ● $2.0 million for satisfaction of each of the milestone events related to the design of sEEG Products set forth in the Zimmer Development Agreement, even though the satisfaction was after the deadlines originally identified.
In November 2019, our Evo cortical technology (“cEEG”) received 510(k) clearance from the FDA for recording, monitoring, and stimulating brain tissue for up to 30 days, and in October 2022, we received FDA clearance for our Evo sEEG electrode technology for temporary (less than 30 days) use with recording, monitoring, and stimulation equipment for the recording, monitoring, and stimulation of electrical signals at the subsurface level of the brain.
In November 2019, our Evo cortical electrode technology received 510(k) clearance from the FDA for recording, monitoring, and stimulating brain tissue for up to 30 days, and in October 2022, we received FDA clearance for our Evo sEEG electrode technology for temporary (less than 30 days) use with recording, monitoring, and stimulation equipment for the recording, monitoring, and stimulation of electrical signals at the subsurface level of the brain.
See “Item 1—Business—Clinical Development and Regulatory Pathway—Clinical Experience, Future Development and Clinical Trial Plans” in the Report for a discussion of design, development, pre-clinical and clinical activities that we may conduct in the future, including expected cash expenditures required for some of those activities, to the extent we are able to estimate such costs.
See “Item 1—Business—Clinical Development and Regulatory Pathway—Clinical Experience, Future Development and Clinical Trial Plans” in this Report for a discussion of design, development, pre-clinical and clinical activities that we may conduct in the future, including expected cash expenditures required for some of those activities, to the extent we are able to estimate such costs.
We anticipate that our selling, general and administrative expenses will significantly increase in the future to support our continued research and development activities, further commercialization of our cortical strip technology, our grid electrode technology, and our depth electrode technology, and the increased costs of operating as a public company.
We anticipate that our selling, general and administrative expenses will increase in the future to support our continued research and development activities, further commercialization of our cortical strip and grid technology, and our depth electrode technology, and the increased costs of operating as a public company.
The Development Agreement will expire on the tenth anniversary of the date of the first commercial sale of the last Products to achieve a first commercial sale (the “Zimmer Term”), unless terminated earlier pursuant to its terms.
The Zimmer Development Agreement will expire on the tenth anniversary of the date of the first commercial sale of the last Products to achieve a first commercial sale (the “Zimmer Term”), unless terminated earlier pursuant to its terms.
The general economic and capital market conditions both in the U.S. and worldwide, have been volatile in the past and at times have adversely affected our access to capital and increased the cost of capital. The capital and credit markets may not be available to support future capital raising activity on favorable terms.
The general economic and capital market conditions both in the U.S. and worldwide, have been volatile in the past and at times have adversely affected our access to capital and increased the cost of capital. The capital and credit markets may not be available to support future capital raising activity on favorable terms or at all.
Additionally, our independent registered public accounting firm included an explanatory paragraph in the report on our financial statements as of and for the years ended September 30, 2022 and 2021, respectively, noting the existence of substantial doubt about our ability to continue as a going concern.
Additionally, our independent registered public accounting firm included an explanatory paragraph in the report on our financial statements as of and for the years ended September 30, 2023 and 2022, respectively, noting the existence of substantial doubt about our ability to continue as a going concern.
Our existing cash, cash equivalents and short-term investments may not be sufficient to fund our operating expenses through at least twelve months from the date of this filing. To continue to fund operations, we will need to secure additional funding through public or private equity or debt financings, through collaborations or partnerships with other companies or other sources.
Our existing cash and cash equivalents may not be sufficient to fund our operating expenses through at least twelve months from the date of this filing. To continue to fund operations, we will need to secure additional funding through public or private equity or debt financings, through collaborations or partnerships with other companies or other sources.
The product revenue consisted of the sale of Strip/Grid Products and Electrode Cable Assembly Products. Cost of product revenue consisted of the manufacturing and materials costs incurred by our third-party contract manufacturer in connection with our Strip/Grid Products and outside supplier materials costs in connection with the Electrode Cable Assembly Products.
Cost of product revenue consisted of the manufacturing and materials costs incurred by our third-party contract manufacturer in connection with our Strip/Grid Products, sEEG Products and outside supplier materials costs in connection with the Electrode Cable Assembly Products.
See “Note 4 – Commitments and Contingencies” included in our financial statements included in “Item 8 — Financial Statements and Supplementary Data” in this Report for more information about the WARF License and the Mayo Development Agreement. Our other cash requirements within the next twelve months include accounts payable, accrued expenses, purchase commitments and other current liabilities.
Refer to “Note 4 – Commitments and Contingencies” included in our financial statements included in “Item 8 — Financial Statements and Supplementary Data” in this Report for more information about the WARF License and the Mayo Development Agreement. Our other cash requirements within the next twelve months include accounts payable, accrued expenses, purchase commitments and other current liabilities.
On January 22, 2020, we entered into an Amended and Restated License Agreement (the “WARF License”) with WARF, which amended and restated in full our prior license agreement with WARF, dated October 1, 2014 (the “Original WARF License”).
On January 21, 2020, we entered into an Amended and Restated License Agreement (the “WARF License”) with WARF, which amended and restated in full our prior license agreement with WARF, dated October 1, 2014 (the “Original WARF License”).
The development and commercialization of our cortical strip, grid electrode and depth electrode technology is subject to numerous uncertainties, and we could use our cash, cash equivalent and short-term investment resources sooner than we expect. Additionally, the process of developing medical devices is costly, and the timing of progress in pre-clinical tests and clinical trials is uncertain.
The development and commercialization of our cortical strip, grid electrode and depth electrode technology is subject to numerous uncertainties, and we could use our cash and cash equivalent resources sooner than we expect. Additionally, the process of developing medical devices is costly, and the timing of progress in pre-clinical tests and clinical trials is uncertain.
Financial Overview Product Revenue Our product revenue was derived from the sale of our strip and grid cortical electrodes (“Strip/Grid Products”) and electrode cable assembly products (“Electrode Cable Assembly Products”) based on Evo cortical technology. We anticipate that we will generate additional revenue from the sale of products based on Evo cortical technology.
Financial Overview Product Revenue Our product revenue was derived from the sale of our Strip/Grid Products, depth electrodes (“sEEG Products”) and electrode cable assembly products (“Electrode Cable Assembly Products”) based on Evo cortical electrode technology. We anticipate that we will generate additional revenue from the sale of products based on Evo cortical electrode technology.
Overview We are a medical technology company focused on the development and commercialization of thin film electrode technology for continuous electroencephalogram (cEEG) and stereoelectrocencephalography (sEEG), spinal cord stimulation, brain stimulation and ablation solutions for patients suffering from epilepsy, Parkinson’s disease, dystonia, essential tremors, chronic pain due to failed back surgeries and other related neurological disorders.
Overview We are a medical technology company focused on the development and commercialization of thin film electrode technology for continuous electroencephalogram (“cEEG”) and stereoelectrocencephalography (“sEEG”), spinal cord stimulation, brain stimulation, drug delivery and ablation solutions for patients suffering from epilepsy, Parkinson’s disease, dystonia, essential tremors, chronic pain due to failed back surgeries and other related neurological disorders.
As of September 30, 2022, we had an accumulated deficit of $50.8 million, primarily as a result of expenses incurred in connection with our research and development, selling, general and administrative expenses associated with our operations and interest expense, fair value adjustments and loss on extinguishments related to our debt, offset in part by collaborations and product revenues.
As of September 30, 2023, we had an accumulated deficit of $62.7 million, primarily as a result of expenses incurred in connection with our research and development, selling, general and administrative expenses associated with our operations and interest expense, fair value adjustments and loss on extinguishments related to our debt, offset in part by collaborations and product revenues.
We commenced commercial sales of cEEG strip/grid and electrode cable assembly products beginning in the first quarter of fiscal year 2021. We sold, on a limited application basis for design verification, sEEG depth electrode products for non-human use beginning in late fiscal year 2021, and plan to commence commercial sales of our sEEG depth electrode products in early calendar 2023.
We commenced commercial sales of cEEG strip/grid and electrode cable assembly products beginning in the first quarter of fiscal year 2021. We sold, on a limited application basis for design verification, sEEG depth electrode products for non-human use beginning in late fiscal year 2021, and we commenced commercial sales of our sEEG depth electrode products in late calendar 2022.
Changes in economic conditions, supply chain constraints, logistics challenges, labor shortages, the conflict in Ukraine, and steps taken by governments and central banks, particularly in response to the COVID-19 pandemic as well as other stimulus and spending programs, have led to higher inflation, which has led to an increase in costs and has caused changes in fiscal and monetary policy, including increased interest rates.
Changes in economic conditions, supply chain constraints, logistics challenges, labor shortages, the conflicts in Ukraine and the Middle East, disruptions in the banking system and financial markets, and steps taken by governments and central banks, particularly in response to the COVID-19 pandemic as well as other stimulus and spending programs, have led to higher inflation, which has led to an increase in costs and has caused changes in fiscal and monetary policy, including increased interest rates.
Our failure to raise such capital as and when needed would have a negative impact on our financial condition and our ability to develop and commercialize our cortical strip, grid electrode and depth electrode technology and future products and our ability to pursue our business strategy.
Our failure to raise such capital as and when needed would have a negative impact on our financial condition and our ability to develop and commercialize our cortical strip, grid electrode and depth electrode technology and future products and our ability to pursue our business strategy. See “Liquidity and Capital Resources—Liquidity Outlook” below.
The net change in our net operating assets and liabilities associated with fluctuations in our operating activities resulted in a cash use of approximately $0.5 million.
The net change in our net operating assets and liabilities associated with fluctuations in our operating activities resulted in a cash use of approximately $2.4 million.
Our cost of product revenue consists of the manufacturing and materials costs incurred by our third-party contract manufacturer in connection with our Strip/Grid Products and outside supplier materials costs of producing the Electrode Cable Assembly Products.
Product Gross Profit (Loss) Product gross profit (loss) represents our product revenue less our cost of product revenue. Our cost of product revenue consists of the manufacturing and materials costs incurred by our third-party contract manufacturer in connection with our Strip/Grid Products, sEEG Products and outside supplier materials costs of producing the Electrode Cable Assembly Products.
Research and development expenses Research and development expenses were $4.9 million for the year ended September 30, 2022, compared to $3.9 million for the year ended September 30, 2021.
Research and development expenses Research and development expenses were $6.9 million for the year ended September 30, 2023, compared to $4.9 million for the year ended September 30, 2022.
Stock-based Compensation For discussions about the application of grant date fair value associated with our stock-based compensation, see “Note 9 — Stock-Based Compensation” included in “Item 8 — Financial Statements and Supplementary Data” in this Report. 71 NeuroOne Medical Technologies Corporation FORM 10-K Income Tax Assets and Liabilities Income tax assets and liabilities include income tax valuation allowances.
Stock-based Compensation For discussions about the application of grant date fair value associated with our stock-based compensation, see “Note 8 — Stock-Based Compensation” included in “Item 8 — Financial Statements and Supplementary Data” in this Report. Income Tax Assets and Liabilities Income tax assets and liabilities include income tax valuation allowances.
Contracted services include agreements with third-party service providers for clinica l research, product development, manufacturing, supplies, payroll services, equipment maintenance services, and audits for periods up to fiscal 2024.
Contracted services include agreements with third-party service providers for clinical research, product development, manufacturing, supplies, payroll services, equipment maintenance services, and audits for periods up to fiscal year 2025.
We completed feasibility bench top testing with a new design of our diagnostic and ablation depth electrode in the first calendar quarter of 2021, and signed a contract with RBC Medical Innovations to develop hardware for the system in the third calendar quarter of 2021. We are targeting the fourth calendar quarter of 2022 for completion of such hardware.
We completed feasibility bench top testing with a new design of our diagnostic and ablation depth electrode in the first calendar quarter of 2021 and signed a contract with RBC Medical Innovations to develop hardware for the system in the third calendar quarter of 2021. We completed design verification of such hardware early in the second calendar quarter of 2023.
Zimmer’s failure to timely develop or commercialize these products would have a material adverse effect on our business and operating results. 69 NeuroOne Medical Technologies Corporation FORM 10-K At September 30, 2022, we had cash, cash equivalents and short-term investments in the aggregate of approximately $11.1 million.
Zimmer’s failure to timely develop or commercialize these products would have a material adverse effect on our business and operating results. 66 NeuroOne Medical Technologies Corporation FORM 10-K At September 30, 2023, we had cash and cash equivalents in the aggregate of approximately $5.3 million.
While we have begun to generate revenue from the sale of products based on our cEEG and sEEG technology and through milestone and other payments from our current collaboration with Zimmer, we expect to continue to incur significant expenses and increasing operating and net losses for the foreseeable future until and unless we generate a higher level of revenue from commercial sales, and we will need to obtain substantial additional funding in connection with our continuing operations through public or private equity or debt financings, through collaborations or partnerships with other companies or other sources. 62 NeuroOne Medical Technologies Corporation FORM 10-K We may be unable to raise additional funds when needed on favorable terms or at all.
While we have begun to generate revenue from the sale of products based on our cEEG and sEEG technology and through milestone and other payments from our current collaboration with Zimmer, we expect to continue to incur significant expenses and increasing operating and net losses for the foreseeable future until and unless we generate a higher level of revenue from commercial sales, and we will need to obtain substantial additional funding in connection with our continuing operations through public or private equity or debt financings, through collaborations or partnerships with other companies or other sources.
In addition, cost of product revenue included royalty fees incurred, including the royalty fees to WARF and Mayo of $0.1 million in connection with our license agreements during each of the years ended September 31, 2022 and 2021. Collaborations Revenue Collaborations revenue was $1.9 million and $0.1 million during the years ended September 30, 2022 and 2021, respectively.
In addition, cost of product revenue included royalty fees incurred of approximately $0.2 million and $0.1 million in connection with our license agreements during the years ended September 30, 2023 and 2022, respectively. Collaborations Revenue Collaborations revenue was $1.5 million and $1.9 million during the years ended September 30, 2023 and 2022, respectively.
Funding Requirements As noted above, certain of our cash requirements relate to the funding of our ongoing product development and commercialization operations and our milestone and royalty obligations under our intellectual property licenses with the Wisconsin Alumni Research Foundation (“WARF”) and the Mayo Foundation for Medical Education and Research (“Mayo”).
Funding Requirements As noted above, certain of our cash requirements relate to the funding of our ongoing product development and commercialization operations and our milestone and royalty obligations under our intellectual property licenses with WARF and Mayo.
The year on year change in operating assets and liabilities was primarily attributable to a net decrease in accounts payable and accrued expenses, and by an increases in inventory purchases, accounts receivable and prepaid expenses. 70 NeuroOne Medical Technologies Corporation FORM 10-K Net cash used in investing activities Net cash used by investing activities for the year ended September 30, 2022 was $3.2 million and consisted of purchases of short-term investments consisting of treasury and corporate notes of approximately $3.5 million and outlays for purchases of property and equipment of $0.3 million which were partially offset by maturities of short-term investments in the amount of $0.5 million.
The year on year change in operating assets and liabilities was primarily attributable to a net increase in accounts payable, accrued expenses and deferred revenue, offset partially by increases in inventory purchases and prepaid expenses. 67 NeuroOne Medical Technologies Corporation FORM 10-K Net cash provided by (used in) investing activities Net cash provided by investing activities was $2.6 million for the year ended September 30, 2023 and consisted of maturities of short-term investments in the amount of $4.5 million, offset by purchases of short term investments of $1.5 million, consisting of treasury and corporate notes.
For the Years Ended September 30, 2022 2021 Net cash used in operating activities $ (7,519,534 ) $ (8,602,826 ) Net cash used in investing activities (3,244,765 ) (67,079 ) Net cash provided by financing activities 12,023,282 11,534,854 Net increase in cash $ 1,258,983 $ 2,864,949 Net cash used in operating activities Net cash used in operating activities was $7.5 million for the year ended September 30, 2022, which consisted of a net loss of $10.0 million partially offset primarily by stock-based compensation, depreciation, amortization related to intangible assets and to short-term investment discounts and premiums, non-cash lease expense and non-cash consideration associated with the Zimmer Development Agreement, totaling approximately $1.3 million in the aggregate.
Net cash used in operating activities was $7.5 million for the year ended September 30, 2022, which consisted of a net loss of $10.0 million partially offset primarily by stock-based compensation, depreciation, amortization related to intangible assets and to short-term investment discounts and premiums, non-cash lease expense and non-cash consideration associated with the Zimmer Development Agreement, totaling approximately $1.3 million in the aggregate.
For further discussion about the determination of collaborations revenue, product revenue and cost of product revenue, see “Note 7 — Zimmer Development Agreement” included in “Item 8 — Financial Statements and Supplementary Data” in this Report.
For further discussion about the determination of collaborations revenue, product revenue and cost of product revenue, and for a discussion of milestones and royalty payments under the Zimmer Development Agreement, see “—Liquidity and Capital Resources—Liquidity Outlook” below and see “Note 7 — Zimmer Development Agreement” included in our financial statements included in “Item 8 — Financial Statements and Supplementary Data” in this Report.
Of these policies, the following are considered critical to an understanding of our financial statements included in “Item 8 — Financial Statements and Supplementary Data” in this Report that require the application of the most subjective and the most complex judgments: Revenues: For discussion about the determination of collaborations revenue, product revenue and cost of product revenue, see “Note 7 — Zimmer Development Agreement” included in “Item 8 — Financial Statements and Supplementary Data” in this Report.
The accounting policies that reflect our more significant estimates and judgments and which we believe are the most critical to aid in fully understanding and evaluating our reported financial results are described in “Note 3 — Summary of Significant Accounting Policies” to our financial statements included in “Item 8 — Financial Statements and Supplementary Data” in this Report. 68 NeuroOne Medical Technologies Corporation FORM 10-K Of these policies, the following are considered critical to an understanding of our financial statements included in “Item 8 — Financial Statements and Supplementary Data” in this Report that require the application of the most subjective and the most complex judgments: Revenues: For discussion about the determination of collaborations revenue, product revenue and cost of product revenue, see “Note 7 — Zimmer Development Agreement” included in “Item 8 — Financial Statements and Supplementary Data” in this Report.
Selling, general and administrative expenses Selling, general and administrative expenses were $7.0 million for the year ended September 30, 2022, compared to $6.3 million for the year ended September 30, 2021.
Selling, general and administrative expenses Selling, general and administrative expenses were $6.9 million and $7.0 million for the years ended September 30, 2023 and 2022, respectively.
We recognized revenue in the amount of $1,948,872 and $64,812 during the years ended September 30, 2022 and 2021, respectively, in connection with the Zimmer Development Agreement and Amendment. 64 NeuroOne Medical Technologies Corporation FORM 10-K The achievement of the level of sales required to earn royalty payments from Zimmer is uncertain.
During the year ended September 30, 2022, we recognized revenue in the amount of $1.9 million related to sEEG Product development. 62 NeuroOne Medical Technologies Corporation FORM 10-K The achievement of the level of sales required to earn royalty payments from Zimmer is uncertain.
Pursuant to the terms and conditions of the Amendment, Zimmer made a $3.5 million payment to us in August 2022.
In addition, on August 2, 2022, we entered into a Third Amendment to the Zimmer Development Agreement (the “Amendment”) with Zimmer. Pursuant to the terms and conditions of the Amendment, Zimmer made a $3.5 million payment to us in August 2022.
In addition, cost of product revenue includes royalty fees incurred in connection with our license agreements. 63 NeuroOne Medical Technologies Corporation FORM 10-K Collaborations Revenue On July 20, 2020, we entered into an exclusive development and distribution agreement (the “Zimmer Development Agreement”) with Zimmer, pursuant to which we granted Zimmer exclusive global rights to distribute the Strip/Grid Products and electrode cable assembly products (the “Electrode Cable Assembly Products”).
Collaborations Revenue On July 20, 2020, we entered into an exclusive development and distribution agreement (the “Zimmer Development Agreement”) with Zimmer, pursuant to which we granted Zimmer exclusive global rights to distribute the Strip/Grid Products and electrode cable assembly products (the “Electrode Cable Assembly Products”).
All performance obligations under the Zimmer Development Agreement and Amendment, outside of the sEEG exclusivity maintenance obligation, were met as of September 30, 2022.
All performance obligations under the Zimmer Development Agreement and Amendment were met as of December 31, 2022.
We also completed an animal feasibility study at Emory University in September 2021. Next, we plan to complete additional animal studies through the first quarter of calendar 2023, and submit an application for FDA 510(k) clearance in the second calendar quarter of 2023. Our other products are still under development.
We also completed an animal feasibility study at Emory University in September 2021. We completed additional animal studies early in the second quarter of calendar 2023 and received 510(k) clearance in December 2023 for creation of radiofrequency lesions in nervous tissue for functional neurosurgical procedures. Our other products are still under development.
Our other products are still under development. We have incurred losses since inception.
Our other products are still under development. 59 NeuroOne Medical Technologies Corporation FORM 10-K We have incurred losses since inception.
The base offering closed on October 15, 2021, and the sale of 422,057 shares of common stock subject to the underwriter’s overallotment option closed on November 15, 2021.
The base offering closed on October 15, 2021, and the sale of 422,057 shares of common stock subject to the underwriter’s overallotment option closed on November 15, 2021. The gross proceeds from this offering were approximately $13.4 million prior to deducting underwriting discounts and other offering expenses payable by us.
October 2021 Underwritten Public Offering On October 13, 2021, we entered into an underwriting agreement relating to the issuance and sale of 3,750,000 shares of our common stock at a price to the public of $3.20 per share (the “October 2021 Underwritten Public Offering”).
On December 1, 2023, we increased the amount of common stock that can be sold pursuant to the Sales Agreement, such that we are offering up to an aggregate of $4.8 million of our common stock for sale under the Sales Agreement, including the shares of common stock previously sold. 65 NeuroOne Medical Technologies Corporation FORM 10-K October 2021 Underwritten Public Offering On October 13, 2021, we entered into an underwriting agreement relating to the issuance and sale of 3,750,000 shares of our common stock at a price to the public of $3.20 per share (the “October 2021 Underwritten Public Offering”).
Net cash used by investing activities for the year ended September 30, 2021 was $0.1 million and consisted of outlays for research and development equipment. Net cash provided by financing activities Net cash provided by financing activities was $12.0 million for the year ended September 30, 2022, which consisted of net proceeds from the October 2021 Underwritten Public Offering.
Net cash provided by financing activities was $12.0 million for the year ended September 30, 2022, which consisted of net proceeds from the October 2021 Underwritten Public Offering. Critical Accounting Policies and Significant Judgments and Estimates Our financial statements are prepared in accordance with U.S. generally accepted accounting principles.
Liquidity and Capital Resources Overview As of September 30, 2022, our principal source of liquidity consisted of cash, cash equivalents and short-term investments in the aggregate of approximately $11.1 million.
Other income, net during the year ended September 30, 2022 consisted principally of interest income attributed to our cash, cash equivalents and short-term investments, while outstanding. 64 NeuroOne Medical Technologies Corporation FORM 10-K Liquidity and Capital Resources Overview As of September 30, 2023, our principal source of liquidity consisted of cash and cash equivalents in the aggregate of approximately $5.3 million.
Except as otherwise provided in the Zimmer Development Agreement, we are responsible for performing all development activities, including non-clinical and clinical studies directed at obtaining regulatory approval of each Product. Zimmer has agreed to use commercially reasonable efforts to promote, market and sell each Product following the “Product Availability Date” (as defined in the Zimmer Development Agreement) for such Product.
In addition to the Zimmer Development Agreement, Zimmer and the Company have entered into an MS Agreement and a Quality Agreement with respect to the manufacturing and supply of the Products. 61 NeuroOne Medical Technologies Corporation FORM 10-K Except as otherwise provided in the Zimmer Development Agreement, we are responsible for performing all development activities, including non-clinical and clinical studies directed at obtaining regulatory approval of each Product.
The $1.0 million increase during fiscal 2022 over the comparable prior year period was due to an increase in supporting development activities largely attributed to our Evo sEEG electrode technology, which primarily included salary-related expenses and other costs of consulting services, materials and supplies. 66 NeuroOne Medical Technologies Corporation FORM 10-K Interest expense Interest expense for the year ended September 30, 2021 was $3,000 and consisted of issuance costs in connection with our 2019 Paulson Notes described further below.
The $2.0 million increase during fiscal 2023 over the comparable prior year period was attributed to supporting development activities, which primarily included salary-related expenses and costs related to consulting services, materials and supplies associated with the development of future sEEG product applications and other products utilizing new technologies.
Other Income Other income primarily consists of interest income related to our cash, cash equivalents and short-term investments and to proceeds outside of normal operating activity relating to legal settlements and sales of non-commercial supplies. 65 NeuroOne Medical Technologies Corporation FORM 10-K Results of Operations Comparison of the Fiscal Years Ended September 30, 2022 and 2021 The following table sets forth our results of operations for the fiscal years ended September 30, 2022 and 2021.
Other Income, net Other income, net primarily consists of interest income related to our cash, cash equivalents, investment income or loss from short-term investments and other income or expense outside of normal operating activity relating to legal settlements, sales of non-commercial supplies and other items as applicable.
Net cash provided by financing activities was $11.5 million for the year ended September 30, 2021, which consisted primarily of net proceeds received upon the issuance of the 2021 Private Placement in the amount of $11.3 million in the aggregate.
Net cash provided by financing activities Net cash provided by financing activities was $7.4 million for the year ended September 30, 2023, which consisted of net proceeds from the July 2023 Public Offering of $5.2 million and from the ATM of $2.3 million, offset partially by repurchases of common stock for the payment of employee taxes in the amount of $0.1 million.
Pursuant to the Zimmer Development Agreement, Zimmer made an upfront initial exclusivity fee payment of $2.0 million (the “Initial Exclusivity Fee”) to the Company in fiscal year 2020. In addition, on August 2, 2022, we entered into a Third Amendment to the Zimmer Development Agreement (the “Amendment”) with Zimmer.
Zimmer has agreed to use commercially reasonable efforts to promote, market and sell each Product following the “Product Availability Date” (as defined in the Zimmer Development Agreement) for such Product. Pursuant to the Zimmer Development Agreement, Zimmer made an upfront initial exclusivity fee payment of $2.0 million (the “Initial Exclusivity Fee”) to the Company in fiscal year 2020.
Even though we have received regulatory clearance to expand the use of our Evo sEEG Electrode technology for up to 30 days, we don’t anticipate that commercial sales of the sEEG Electrode will begin until early 2023. Zimmer has exclusive global rights to distribute our strip and grid cortical electrodes, depth electrodes and electrode cable assembly products.
Even though we have received regulatory clearance to expand the use of our Evo sEEG electrode technology for up to 30 days, commercial sales of the sEEG electrodes are expected to take some time to be a significant source of liquidity.
We did not have any instruments measured at fair value during fiscal year 2022. Other Income Other income during the year ended September 30, 2022 related to interest income on our cash, cash equivalents and short-term investments in the amount of $31,000.
Other Income, net Other income, net during the year ended September 30, 2023 related to interest income attributed to our cash, cash equivalents and short-term investments in the amount of $0.2 million, while outstanding, which was partially offset by an exploit loss of $94,000 and a loss on disposal of equipment in the amount of $32,000.
For the years ended September 30, 2022 2021 Period to Period Change Product revenue $ 171,169 $ 178,146 $ (6,977 ) Cost of product revenue 241,963 275,895 (33,932 ) Product gross loss (70,794 ) (97,749 ) 26,955 Collaborations revenue 1,948,872 64,812 1,884,060 Operating expenses: Selling, general and administrative 6,979,416 6,260,266 719,150 Research and development 4,929,427 3,925,008 1,004,419 Total operating expenses 11,908,843 10,185,274 1,723,569 Loss from operations (10,030,765 ) (10,218,211 ) 187,446 Interest expense — (3,053 ) 3,053 Net valuation change of instruments measured at fair value — 1,974 (1,974 ) Other income 31,152 271,122 (239,970 ) Net loss $ (9,999,613 ) $ (9,948,168 ) $ (51,445 ) Product Revenue and Product Gross Loss Product revenue and product gross loss were $0.2 million and $(0.1) million, respectively, during each of the years ended September 30, 2022 and 2021.
For the years ended September 30, 2023 2022 Period to Period Change Product revenue $ 1,952,441 $ 171,169 $ 1,781.272 Cost of product revenue 1,495,924 241,963 1,253,961 Product gross profit (loss) 456,517 (70,794 ) 527,311 Collaborations revenue 1,455,188 1,948,872 (493,684 ) Operating expenses: Selling, general and administrative 6.926,269 6,979,416 (53,147 ) Research and development 6,940,686 4,929,427 2,011,259 Total operating expenses 13,866,955 11,908,843 1,958,112 Loss from operations (11,955,250 ) (10,030,765 ) (1,924,485 ) Other income, net 95,759 31,152 64,607 Loss before income taxes (11,859,491 ) (9,999,613 ) (1,859,878 ) Provision for income taxes — — — Net loss $ (11,859,491 ) $ (9,999,613 ) $ (1,859,878 ) 63 NeuroOne Medical Technologies Corporation FORM 10-K Product Revenue and Product Gross Profit (Loss) Product revenue and product gross profit were $2.0 million and $0.5 million, respectively, during the year ended September 30, 2023.
Additionally, we are investigating the potential applications of our technology associated with artificial intelligence.
We are also developing the capability to use our sEEG electrode technology to deliver drugs or gene therapy while being able to record brain activity before, during, and after delivery. Additionally, we are investigating the potential applications of our technology associated with artificial intelligence.
The year on year change in operating assets and liabilities was primarily attributable to a net increase in accounts payable, accrued expenses and deferred revenue, offset partially by increases in inventory purchases and prepaid expenses.
The net cash use stemming from the change in operating assets and liabilities was primarily attributable to both a decrease in deferred revenue in connection with the completion of the remaining milestone performance obligation under the Zimmer Development Agreement and to an increase in inventory purchases, attributed to the timing of payments.