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Inventories
 3 Months Ended
Mar. 31, 2022
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories are as follows (in thousands):
March 31, 2022December 31, 2021
Raw materials$5,474 $5,610 
Finished goods14,544 13,985 
Inventories20,018 19,595 
Less reserve for excess and obsolete inventory(9,875)(10,141)
Inventories, net$10,143 $9,454 
The provisions recorded in the three months ended March 31, 2022 and 2021 was $0.3 million for the CT segment and nil for the DA segment.