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Note 3 - Stock-based Compensation (Tables)

9 Months Ended

Dec. 31, 2023

Notes Tables

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

		Three Months Ended December 31,								Nine Months Ended December 31,
		2023				2022				2023				2022
Cost of revenues		$	62			$	89			$	230			$	195
Research and development			158				214				469				570
Selling, general and administrative			920				1,137				2,909				2,727
Total		$	1,140			$	1,440			$	3,608			$	3,492

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

Expected volatility			71.40	%
Risk-free interest rate			3.10	%
Expected life (years)			6.14
Dividend yield		None

X

- Definition

Tabular disclosure of share-based payment arrangement.

+ References

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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 718
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-1

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-Publisher FASB
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- 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

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-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
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