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Inventory (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Schedule of inventory
(Amounts in thousands)  June 30,
2021
   December 31,
2020
 
Raw materials  $4,041   $1,765 
Work in progress   1,249    461 
Finished goods   3,096    3,305 
Total inventory   8,386    5,531 
Reserve   (1,239)   (993)
Total inventory, net  $7,147   $4,538