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INVENTORIES - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials [1] $ 23,744 $ 11,990
Work in progress, net 3,997 3,884
Finished goods [1] 1,042 1,322
Inventory net $ 28,783 $ 17,196
[1] Reclassified