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Note 9 - Income Taxes - Components of Net Deferred Tax Assets (Details) - USD ($) | Dec. 25, 2021 | Dec. 26, 2020 | Dec. 28, 2019
--- | --- | --- | ---
Deferred Tax Assets: |  |  |
Net operating loss carryforwards | $ 1,050,449 | $ 746,397 |
Stock compensation | 157,845 | 540,281 |
Credit carryforwards | 1,285,119 | 1,288,897 |
Inventory | 77,563 | 116,153 |
Accrued liabilities | 12,390 | 22,140 |
Depreciation | 237,880 | 250,093 |
Other | 2,732 | 2,732 |
Gross deferred tax assets | 2,823,978 | 2,966,693 | $ 3,321,611
Valuation allowance | 0 | (2,849,693) |
Net deferred tax assets | $ 2,823,978 | $ 117,000 |

X
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