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Inventory (Tables)
9 Months Ended
Sep. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventory
(Amounts in thousands)  September 30,
2021
   December 31,
2020
 
Raw materials  $5,827   $1,765 
Work in progress   1,682    461 
Finished goods   4,598    3,305 
Total inventory   12,107    5,531 
Reserve   (1,288)   (993)
Total inventory, net  $10,819   $4,538