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COMMITMENTS (Details) - USD ($)
$ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Statement [Line Items]    
Minimum rental and lease payments $ 303 $ 37
Later Than One Year And Not Later Than Five Years [Member]    
Statement [Line Items]    
Minimum rental and lease payments 83 14
Later Than Five Years [Member]    
Statement [Line Items]    
Minimum rental and lease payments 156 3
Not later than one year [Member]    
Statement [Line Items]    
Minimum rental and lease payments $ 64 $ 20