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Schedule of Stock-based Compensation Expense (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 25, 2021 | Dec. 26, 2020 | Dec. 28, 2019
Total | $ 4,417,422 | $ 821,122 | $ 2,057,400
Cost of Product Revenues [Member] |  |  |
Total | 211,362 | 113,517 | 102,629
Research and Development [Member] |  |  |
Total | 576,193 | 204,599 | 295,872
Selling, General and Administrative [Member] |  |  |
Total | $ 3,629,867 | $ 503,006 | $ 1,658,899

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