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Note 12 - Income Taxes - Summary of Tax Credit Carryforwards (Details) $ in Thousands | 12 Months Ended
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Mar. 31, 2023 USD ($)
Research Tax Credit Carryforward [Member] | Domestic Tax Authority [Member] |
Tax credit carryforwards | $ 2,428
Tax credit carryforwards, expiration date | Mar. 31, 2038
Research Tax Credit Carryforward [Member] | State and Local Jurisdiction [Member] |
Tax credit carryforwards | $ 2,944
Tax credit carryforwards, expiration date | Mar. 31, 2034
Research Tax Credit Carryforward [Member] | Foreign Tax Authority [Member] |
Tax credit carryforwards | $ 15
Foreign Tax Credit Carryforwards [Member] | Domestic Tax Authority [Member] |
Tax credit carryforwards, expiration date | Mar. 31, 2036

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- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
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- Definition Expiration date of the tax credit carryforward, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-3 + Details
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