Note 19 - Income Taxes - Net Deferred Income Tax Asset (Details) - USD ($) $ in Thousands |
Nov. 30, 2021 |
Nov. 30, 2020 |
|---|---|---|
| Depreciation and amortization | $ (412) | $ (270) |
| Stock compensation | 1,103 | 335 |
| Inventory reserve | 95 | 29 |
| Bad debt reserve | 3 | 3 |
| Accrued payroll | 363 | 183 |
| Warranty reserve | 160 | 90 |
| Foreign tax credit carryforwards | 9 | 0 |
| Unrealized gain/(loss) on investments | 4 | 0 |
| Net operating loss (“NOL”) carryforwards | 5,226 | 5,950 |
| Total deferred tax assets | 6,551 | 6,320 |
| Valuation allowance | (6,551) | (6,320) |
| Net deferred tax assets (liabilities) | $ 0 | $ 0 |
| X | ||||||||||
- Definition Amount of deferred tax asset (liability) attributable to taxable temporary differences from unrealized gains (losses) on investments. No definition available.
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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://fasb.org/us-gaap/role/ref/legacyRef
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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://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 foreign tax credit carryforwards. 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 from employee compensation. 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 from share-based compensation. 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 difference from allowance for credit loss on accounts receivable. 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 from warranty reserves. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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 property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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