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Note 13 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) | Nov. 30, 2020 | Nov. 30, 2019
--- | --- | ---
Accrued expenses | $ 161,000 | $ 100,000
Inventory capitalization | 71,000 | 21,000
NOL and tax credit carryforward | 1,695,000 | 1,182,000
Asset reserves | 796,000 | 621,000
Total current deferred tax assets | 2,723,000 | 1,924,000
Property, plant, and equipment | (55,000) | (138,000)
Total non-current deferred tax assets (liabilities) | (55,000) | (138,000)
Net deferred taxes | $ 2,668,000 | $ 1,786,000

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