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FINANCIAL INSTRUMENTS (Tables) | 12 Months Ended
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Dec. 31, 2022
Investments, All Other Investments [Abstract] |
SCHEDULE OF CASH AND MARKETABLE SECURITIES BY SIGNIFICANT INVESTMENT CATEGORY | The following tables show the Company’s cash and marketable securities by significant investment category as of December 31: SCHEDULE OF CASH AND MARKETABLE SECURITIES BY SIGNIFICANT INVESTMENT CATEGORY
|  | 2022 |
|  | Adjusted Cost |  |  | Unrealized Gain/Loss |  |  | Fair Value |  |  | Cash And Cash Equivalents |  |  | Marketable Securities |  |  | Investments |
Cash |  | $ | 19,226,000 |  |  | $ | - |  |  | $ | 19,226,000 |  |  | $ | 19,226,000 |  |  | $ | - |  |  | $ | - |
Level 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money Market Funds |  |  | 64,000 |  |  |  | - |  |  |  | 64,000 |  |  |  | 64,000 |  |  |  | - |  |  |  | - |
Marketable Securities |  |  | 36,263,000 |  |  |  | (3,659,000 | ) |  |  | 27,307,000 |  |  |  | - |  |  |  | 27,307,000 |  |  |  | - |
Level 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants |  |  | 3,318,000 |  |  |  | - |  |  |  | 140,000 |  |  |  | - |  |  |  | - |  |  |  | 140,000 |
Convertible securities |  |  | 1,023,000 |  |  |  | - |  |  |  | 39,000 |  |  |  | - |  |  |  | - |  |  |  | 39,000 |
Total |  | $ | 59,894,000 |  |  | $ | (3,659,000 | ) |  | $ | 46,776,000 |  |  | $ | 19,290,000 |  |  | $ | 27,307,000 |  |  | $ | 179,000 |
|  | 2021 |
|  | Adjusted Cost |  |  | Unrealized Gain/(Loss) |  |  | Fair Value |  |  | Cash and Cash Equivalents |  |  | Marketable Securities |  |  | Investment |
Cash |  | $ | 50,286,000 |  |  | $ | - |  |  | $ | 50,286,000 |  |  | $ | 50,286,000 |  |  | $ | - |  |  | $ | - |
Level 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money Market Funds |  |  | 6,309,000 |  |  |  | - |  |  |  | 6,309,000 |  |  |  | 6,309,000 |  |  |  | - |  |  |  | - |
Marketable Securities |  |  | 12,993,000 |  |  |  | 1,554,000 |  |  |  | 14,537,000 |  |  |  | - |  |  |  | 14,537,000 |  |  |  | - |
Level 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrants |  |  | 3,318,000 |  |  |  | - |  |  |  | 3,318,000 |  |  |  | - |  |  |  | - |  |  |  | 3,318,000 |
Convertible securities |  |  | 1,023,000 |  |  |  | - |  |  |  | 1,023,000 |  |  |  | - |  |  |  | - |  |  |  | 1,023,000 |
Total |  | $ | 73,929,000 |  |  | $ | 1,554,000 |  |  | $ | 75,473,000 |  |  | $ | 56,595,000 |  |  | $ | 14,537,000 |  |  | $ | 4,341,000 |

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