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INVENTORIES (Notes)
 6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories consisted of the following (in thousands):
 June 30, 2021December 31, 2020
Raw materials$7,023 $8,223 
Work in process320 353 
Finished goods16,899 17,992 
Total$24,242 $26,568 
As of June 30, 2021 and December 31, 2020, finished goods inventory included $1.6 million and $1.2 million, respectively, associated with products shipped to customers and deferred labor costs for arrangements where revenue recognition had not yet commenced.