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WARRANTIES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Beginning balance $ 141 $ 313
Warranty provisions 41 35
Warranty claims (47) (63)
Adjustments to preexisting warranties (7) (144)
Ending balance $ 128 $ 141