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Inventory (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of inventory
Inventory consisted of the following:
        
(in thousands)June 30,
2022
December 31,
2021
Raw materials$16,098 $15,505 
Work in process10,204 13,042 
Finished goods7,656 6,582 
Total inventory$33,958 $35,129