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INVENTORIES (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Inventory Disclosure [Abstract]    
Raw materials $ 28,550 $ 27,474
Work in process 1,359 582
Finished goods 703 363
Inventory reserve (3,414) (2,613)
Inventories $ 27,198 $ 25,806