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Income Taxes (Details Narrative) - USD ($)
 12 Months Ended
Dec. 26, 2020
Dec. 28, 2019
Dec. 29, 2018
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Income tax threshold amount $ 400,000 $ 400,000  
Accrued interest and penalties related to unrecognized tax benefits 900,000 800,000  
Pretax foreign income (loss) from continuing operations 1,000,000 1,300,000 $ 700,000
Valuation allowance 66,980,000 $ 65,566,000  
Net operating losses 160,300,000    
Net operating losses no expiration $ 60,100,000    
Minimum [Member]      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Net operating loss expiration year 2038