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Note 4 - Stock-based Compensation (Tables)

6 Months Ended

Sep. 30, 2025

Notes Tables

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Three Months Ended September 30,								Six Months Ended September 30,
		2025				2024				2025				2024
Cost of revenues		$	266			$	39			$	605			$	97
Research and development			511				113				1,199				256
Selling, general and administrative			2,989				691				6,488				1,719
Total		$	3,766			$	843			$	8,292			$	2,072

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Six Months Ended September 30,
		2025
Expected volatility			74.01	%
Risk-free interest rate			4.19	%
Expected life (years)			6.31
Dividend yield		None

X

- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

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-Topic 718
-SubTopic 10
-Subparagraph (f)(2)
-Name Accounting Standards Codification
-Paragraph 2
-Section 50
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- References

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