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Schedule of Unrecognized Tax Benefit (Details) - USD ($)
12 Months Ended
Dec. 25, 2021
Dec. 26, 2020
Income Tax Disclosure [Abstract]    
Unrecognized Tax Benefits, Beginning Balance $ 394,000 $ 394,000
Gross increases - prior year tax positions  
Gross increases - current year tax positions  
Unrecognized Tax Benefits, Ending balance $ 394,000 $ 394,000