SCHEDULE OF MARKETABLE DEBT SECURITIES (Details) - USD ($)	Sep. 25, 2021	Dec. 26, 2020
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Less than One year	$ 1,906,874
One to Five Years	1,507,015
Total	3,413,889	$ 3,635,681
U.S. Government and Agency Backed Securities [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Less than One year	1,006,550
One to Five Years
Total	1,006,550	1,023,120
Corporate Debt [Member]
Debt Securities, Held-to-maturity, Allowance for Credit Loss [Line Items]
Less than One year	900,324
One to Five Years	1,507,015
Total	$ 2,407,339	$ 2,612,561