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FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 1) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Change in fair value of warrants | $ 6,000 | $ (290,000) | $ 24,000 | $ 388,000
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Balance at begining |  |  | 9,215,000 |
Investment in preferred stock |  |  | 2,550,000 |
Change in fair value of warrants |  |  | 13,867,000 |
Conversion to marketable securities |  |  | (24,828,000) |
Balance at end | $ 804,000 |  | $ 804,000 |

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