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INVENTORIES (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Inventories
Inventories consisted of the following (in thousands):
 September 30, 2021December 31, 2020
Raw materials$6,710 $8,223 
Work in process304 353 
Finished goods15,201 17,992 
Total$22,215 $26,568