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Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Mar. 31, 2023
--- | --- | ---
Net operating loss carryforwards | $ 155,714 | $ 163,674
Research and development and other tax credit carryforwards | 12,790 | 13,837
Capitalized research and development costs | 3,514 | 2,186
Accruals and reserves | 6,522 | 5,644
Fixed assets and intangible assets | 639 | 638
Other | 1,665 | 1,993
Gross deferred tax assets | 180,844 | 187,972
Valuation allowance | (177,112) | (183,567)
Total deferred tax assets | 3,732 | 4,405
Amortization | (1,492) | (2,011)
Other | (1,421) | (1,523)
Total deferred tax liabilities | (2,913) | (3,534)
Net deferred tax assets | $ 819 | $ 871

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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to fixed assets and intangible assets. + References No definition available. + Details
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