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CASH AND CASH EQUIVALENTS AND MARKETABLE DEBT SECURITIES (Tables)
 9 Months Ended
Sep. 26, 2020
Cash and Cash Equivalents [Abstract]  
SCHEDULE OF AVAILABLE-FOR-SALE MARKETABLE DEBT SECURITIES

Investments in available-for-sale marketable debt securities were as follows at September 26, 2020 and December 28, 2019:

 

 

   Amortized Cost   Unrealized Gains   Unrealized Losses   Fair Value 
   2020   2019   2020   2019   2020   2019   2020   2019 
U.S. government and agency backed securities  $1,004,880   $8,304,229   $23,990   $  -   $  -   $(7,359)  $1,028,870   $8,296,870 
Corporate Debt   3,954,345    7,459,298    5,638    -    -    (3,171)   3,959,983    7,456,127 
Total  $4,959,225   $15,763,527   $29,628   $-   $-   $(10,530)  $4,988,853   $15,752,997 
SCHEDULE OF MARKETABLE DEBT SECURITIES

The contractual maturity of the Company’s marketable debt securities was as follows at September 26, 2020

 

 

   Less than One year   One to Five Years   Total 
U.S. government and agency backed securities  $-   $1,028,870   $1,028,870 
Corporate debt   1,550,508    2,409,475    3,959,983 
Total  $1,550,508   $3,438,345   $4,988,853