FAIR VALUE (Schedule of Changes in Fair Value of Liability) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 606	$ 1,325
Total losses:
Revaluation recognized in earnings	(222)	118
Deductions - warrant exercises		(130)
Balance at end of period	384	1,313
2016 Warrant Liability [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance		130
Total losses:
Deductions - warrant exercises		(130)
2018 Warrant Liabilities [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	606	1,195
Total losses:
Revaluation recognized in earnings	(222)	118
Balance at end of period	$ 384	$ 1,313