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Note 2 - Warrant Liability and Fair Value of Financial Instruments | 12 Months Ended
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Mar. 31, 2025
Notes to Financial Statements |
Fair Value Disclosures [Text Block] | Note 2 – Warrant Liability and Fair Value of Financial Instruments Financial assets and financial liabilities are classified in their entirety based on the lowest level of input that is significant to the fair value measurement. While the Company believes that its valuation methods are appropriate, the Company recognizes that the use of different methodologies or assumptions to determine the fair value could result in a different estimate of fair value at the reporting date. The primary assumptions that would significantly affect the fair values are the probability weighting of the different settlement outcomes used. There were no outstanding instruments classified as Level 3 measurements as of March 31, 2025 or March 31, 2024. There were not any transfers into or out of Level 3 as of March 31, 2025 and March 31, 2024. The following table summarizes the activity of the Level 3 fair value measurements during the twelve months ended March 31, 2024 (in thousands):
|  | Warrant Liabilities |
Balance as of March 31, 2023 |  | $ | — |
Additions |  |  | 4,556 |
Change in fair value measurements - warrants mark-to-market |  |  | 3,444 |
Settlement and reclassification to equity |  |  | (8,000 | )
Balance as of March 31, 2024 |  | $ | — |
The Company recognized the initial warrant expense as a component of operating expenses on the statement of operations under warrant expense – termination agreement for $4.6 million and the changes in the fair value under warrant liability – mark-to-market for $3.4 million. There were no changes to the valuation approaches or techniques used for Level 3 measurements. Warrant Liabilities As more fully detailed in Note 6 – Related Party Transactions, on July 7, 2023, the Company entered into an Exclusive License Termination Agreement (the “Termination Agreement”) with a licensee in exchange for the issuance, upon the closing of the Company’s IPO within one year of the agreement’s execution, of a warrant (the "Warrant") to purchase shares of the Company for a variable number of shares. The fair value of the warrant liability has been estimated using a discounted cash flow model under various scenarios and used the probability-weighted expected return method (“PWERM”) comparing the probabilities of different outcomes. The outcomes considered included (i) the closing of a qualified financing as part of the Company’s IPO at various points in time and (ii) the possibility of default whereby the licensee receives nothing. Key assumptions for the model were as follows for the initial measurement:
Discount rate at issuance (1) |  |  |  |  | 20.00 | %
Probability (2) | 70% | - | 10% | - | 20 | %
Payment (3) |  |  | $0 | - | $8,000,000 |
Expected term (in years) |  |  | 0.48 | - | 0.98 |
(1) | The initial discount rate was chosen based on private equity rates of return as described in the AICPA Practice Aid on Valuation of Privately-Held-Company Equity securities issued as compensation. For the recurring fair value measurement, the Company updated the discount rate based upon yield curves estimated to be similar in credit quality to the Company;
(2) | Scenario probability as of issuance was based on timing expectations of management that a qualified offering occurring as of December 31, 2023 was estimated at 70%, respectively; a qualified offering occurring as of June 30, 2024 was estimated at 10%; and no qualified offering occurring was estimated at 20%;
(3) | The warrant has a $0.02 strike price, however, the strike price is low relative to the stock price, making the warrant value close to the value of a stock unit. The agreement has a fixed payment value of $8.0 million, see Note 6 – Related Party Transactions.
On January 29, 2024, the Company issued 80,000 warrant shares pursuant to the Termination Agreement. The completion of the Company’s IPO fixed the number of warrant shares issuable and the Company re-classified the Warrant to additional-paid in capital as it met the requirements for equity classification. Upon reclassification, the Company valued the warrant at $8.0 million, which represented the fair value of the shares issued on that date.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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