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INVENTORIES (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
INVENTORIES    
Raw materials $ 16,398 $ 12,713
Work in progress 339 412
Finished goods 24,207 23,375
Allowance for obsolescence (469) (620)
Total 40,475 35,880
Inventories, net $ 3,524 $ 8,656