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FAIR VALUE (Schedule of Changes in Fair Value of Liability) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Warrant Liabilities [Member]        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance $ 384 $ 1,313 $ 606 $ 1,325
Total losses:        
Revaluation recognized in earnings (297) 894 (519) 1,012
Deductions - warrant exercises       (130)
Balance at end of period 87 2,207 87 2,207
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)
Bridge Note Warrant Liabilities [Member]        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning balance 384 1,313 606 1,195
Total losses:        
Revaluation recognized in earnings (297) 894 (519) 1,012
Balance at end of period $ 87 $ 2,207 $ 87 $ 2,207