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COMMITMENTS AND CONTINGENT LIABILITIES - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other Commitments [Line Items]      
Rent expense $ 870,000 $ 286,000 $ 207,000
Short-term guarantee issued by bank 138,000    
Long-term guarantee issued by bank 1,005,000    
BIRD      
Other Commitments [Line Items]      
Paid and accrued royalties 0 0 12,000
IIA      
Other Commitments [Line Items]      
Paid and accrued royalties 0 $ 27,000 $ 1,000
Royalty      
Other Commitments [Line Items]      
Remaining contingent obligation of royalties 721,000    
Royalty | BIRD      
Other Commitments [Line Items]      
Remaining contingent obligation of royalties $ 433,000