Note 14 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Mar. 31, 2025 |
|---|---|---|
| Net operating loss carryforwards | $ 144,497 | $ 150,703 |
| Research and development and other tax credit carryforwards | 12,163 | 12,605 |
| Capitalized research and development costs | 4,762 | 5,787 |
| Accruals and reserves | 13,695 | 8,148 |
| Fixed assets and intangible assets | 9 | 398 |
| Other | 2,080 | 2,459 |
| Gross deferred tax assets | 177,206 | 180,100 |
| Valuation allowance | (45,005) | (171,674) |
| Total deferred tax assets | 132,201 | 8,426 |
| Amortization of fixed assets and intangibles | (11,191) | (7,127) |
| Other | (1,536) | (1,716) |
| Total deferred tax liabilities | (12,727) | (8,843) |
| Net deferred tax assets (liabilities) | 119,474 | |
| Net deferred tax assets (liabilities) | (417) | |
| Deferred tax assets | 119,474 | 1,178 |
| Deferred tax liabilities | 0 | $ (1,595) |
| Net deferred tax assets (liabilities) | $ 119,474 |
| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset (liability) attributable to deductible differences and carryforwards, with jurisdictional netting. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to capitalized research and development. No definition available.
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| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to fixed assets and intangible assets. No definition available.
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| X | ||||||||||
- Definition Represents amortization that was included with deferred tax liabilities. No definition available.
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| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from in-process research and development cost acquired in business combination or from joint venture formation or both. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from reserves and accruals. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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