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INVENTORIES (Notes)
 12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories consisted of the following at December 31, 2021 and 2020 (in thousands):
December 31,
20212020
Raw materials$8,519 $8,223 
Work in process304 353 
Finished goods11,099 17,992 
Total$19,922 $26,568 
At December 31, 2021 and 2020, finished goods inventory included $1.9 million and $1.2 million, respectively, associated with products shipped to customers or deferred labor costs for arrangements where revenue recognition had not yet commenced.