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CASH AND CASH EQUIVALENTS AND MARKETABLE DEBT SECURITIES (Tables) | 3 Months Ended
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Mar. 28, 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 March 28, 2020 and December 28, 2019: SCHEDULE OF AVAILABLE-FOR-SALE MARKETABLE DEBT SECURITIES
|  | Amortized Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |
|  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |  |  | 2020 |  |  | 2019 |
U.S. government and agency backed securities |  | $ | 3,005,799 |  |  | $ | 8,304,229 |  |  | $ | 32,301 |  |  | $ | - |  |  | $ | - |  |  | $ | (7,359 | ) |  | $ | 3,038,100 |  |  | $ | 8,296,870 |
Corporate debt |  |  | 6,457,883 |  |  |  | 7,459,298 |  |  |  | - |  |  |  | - |  |  |  | (188,024 | ) |  |  | (3,171 | ) |  |  | 6,269,859 |  |  |  | 7,456,127 |
Total |  | $ | 9,463,682 |  |  | $ | 15,763,527 |  |  | $ | 32,301 |  |  | $ | - |  |  | $ | (188,024 | ) |  | $ | (10,530 | ) |  | $ | 9,307,959 |  |  | $ | 15,752,997 |
SCHEDULE OF MARKETABLE DEBT SECURITIES | The contractual maturity of the Company’s marketable debt securities was as follows at March 28, 2020: SCHEDULE OF MARKETABLE DEBT SECURITIES
|  | Less than One year |  |  | One to Five years |  |  | Total |
U.S. government and agency backed securities |  | $ | - |  |  | $ | 3,038,100 |  |  | $ | 3,038,100 |
Corporate debt |  |  | 2,529,970 |  |  |  | 3,739,889 |  |  |  | 6,269,859 |
Total |  | $ | 2,529,970 |  |  | $ | 6,777,989 |  |  | $ | 9,307,959 |

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References No definition available. + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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