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(7) Accrued Expenses - Accrued expenses (Details) - USD ($)
Mar. 28, 2020
Dec. 28, 2019
Payables and Accruals [Abstract]    
Accrued legal and accounting $ 28,755 $ 62,725
Accrued payroll and related expenses 508,327 518,015
Accrued other 154,839 234,426
Total Accrued Expenses $ 691,921 $ 815,166