Note 17 - Income Taxes - Net Deferred Income Tax Asset (Details) - USD ($) $ in Thousands |
Nov. 30, 2025 |
Nov. 30, 2024 |
|---|---|---|
| Net operating loss ("NOL") carryforwards | $ 2,002 | $ 3,438 |
| Research and development tax credits | 430 | 318 |
| Stock-based compensation | 1,230 | 1,033 |
| Inventory reserve | 110 | 107 |
| Allowance for current expected credit losses | 14 | 70 |
| Personnel costs | 949 | 879 |
| Warranty reserves | 35 | 57 |
| Foreign tax credit carryforwards | 9 | 9 |
| Capital loss carryover | 118 | 115 |
| Unrealized losses | 23 | 14 |
| Deferred revenue | 0 | 21 |
| Lease liability | 535 | 583 |
| Research and experimental capitalization | 1,113 | 802 |
| Business interest limitation | 425 | 325 |
| Subtotal deferred tax assets | 6,993 | 7,771 |
| Valuation allowance | (775) | (837) |
| Total deferred tax assets | 6,218 | 6,934 |
| Depreciation and amortization | (1,619) | (555) |
| Right of use asset | (465) | (542) |
| Total deferred tax liabilities | (2,084) | (1,097) |
| Net deferred tax assets (liabilities) | $ 4,134 | $ 5,837 |
| X | ||||||||||
- Definition Amount, after allocation of valuation allowances, of deferred tax asset (liabilities) attributable to deductible differences and carryforwards, with jurisdictional netting. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax asset (liability) attributable to taxable temporary differences from unrealized gains (losses) on investments. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax asset from lease liabilities. No definition available.
|
| X | ||||||||||
- Definition Represents deferred tax assets pertaining to R&E capitalization. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible interest carryforward. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|
| 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
|
| 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
|
| 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
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|
| 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://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| 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
|