FAIR VALUE OF FINANCIAL INSTRUMENTS (Details 1) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Change in fair value of warrants	$ 18,000	$ 679,000
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 beginning	30,482,000
Investment in equity securities	3,820,000
Change in fair value of warrants	10,281,000
Unrealized gains on equity securities	3,180,000
Conversion to marketable securities	(10,672,000)
Balance at end	$ 37,091,000