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SCHEDULE OF AVAILABLE-FOR-SALE MARKETABLE DEBT SECURITIES (Details) - USD ($)
Mar. 28, 2020
Dec. 28, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Amortized Cost $ 9,463,682 $ 15,763,527
Unrealized Gains 32,301
Unrealized Losses (188,024) (10,530)
Fair Value 9,307,959 15,752,997
U S Government And Agency Backed Securities [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Amortized Cost 3,005,799 8,304,229
Unrealized Gains 32,301
Unrealized Losses (7,359)
Fair Value 3,038,100 8,296,870
Corporate Debt [Member]    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Amortized Cost 6,457,883 7,459,298
Unrealized Gains
Unrealized Losses (188,024) (3,171)
Fair Value $ 6,269,859 $ 7,456,127