Note 14 - Income Taxes - Effects of Temporary Differences Related to Various Assets, Liabilities and Carry Forwards That Give Rise to Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Mar. 31, 2025 |
Mar. 31, 2024 |
|---|---|---|
| Net operating loss carry forwards | $ 5,054 | $ 4,471 |
| Inventory | 107 | 213 |
| Compensation accrual | 83 | 109 |
| Tax credit carry forwards | 20 | 28 |
| Interest limitation | 433 | 268 |
| Operating lease right-of-use assets | 1,062 | 1,184 |
| Section 174 Costs | 246 | 223 |
| Other | 11 | 9 |
| Gross deferred tax assets | 7,016 | 6,505 |
| Less valuation allowance | (5,208) | (4,394) |
| Net deferred tax assets | 1,808 | 2,111 |
| Operating lease obligations | (1,058) | (1,186) |
| Depreciation and amortization | (750) | (925) |
| Net deferred tax liabilities | (1,808) | (2,111) |
| Net deferred tax assets (liabilities) | $ 0 | $ 0 |
| 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 allowances of deferred tax asset attributable to interest limitation. No definition available.
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| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from operating lease right-of-use assets. No definition available.
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| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 allowances of deferred tax asset attributable to deductible temporary differences from inventory. 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 a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit 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 temporary differences from compensation and benefits costs. 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 of deferred tax liability attributable to taxable temporary differences from leasing arrangements. 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 from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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