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Note 18 - Income Taxes - Net Deferred Income Tax Asset (Details) - USD ($) $ in Thousands | Nov. 30, 2022 | Nov. 30, 2021
--- | --- | ---
Net operating loss carryforwards | $ 6,515 | $ 5,226
Stock compensation | 1,192 | 1,103
Inventory reserve | 169 | 95
Bad debt reserve | 0 | 3
Accrued payroll | 411 | 363
Warranty reserve | 174 | 160
Foreign tax credit carryforwards | 9 | 9
Unrealized losses | 18 | 4
Deferred revenue | 35 | 0
Lease liability | 507 | 0
Subtotal deferred tax assets | 9,031 | 6,963
Valuation allowance | (7,839) | (6,551)
Total deferred tax assets | 1,192 | 412
Depreciation and amortization | 554 | 412
Right of use asset | 509 | 0
Total deferred tax liabilities | 1,063 | 412
Net deferred tax assets | $ 129 | $ 0

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