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Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Income Tax Disclosure [Abstract] |  |  |
State |  | $ 4,000 | $ 5,000
Foreign | 129,000 | 104,000 | 25,000
Total current provision | 129,000 | 108,000 | 30,000
Federal | (1,075,000) | (5,165,000) | (7,307,000)
State | (321,000) | (2,341,000) | (360,000)
Foreign | (19,000) | (56,000) | 300,000
Change in valuation allowance | 1,415,000 | 7,562,000 | 7,367,000
Total (benefit) deferred provision |  |  |
Total provision for income taxes | $ 129,000 | $ 108,000 | $ 30,000

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