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Inventory
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Inventory InventoryInventory consisted of the following:
 June 30, 2022December 31, 2021
Raw material$727 $293 
Work in progress3,063 3,082 
Finished goods8,349 7,269 
Spare parts4,736 4,380 
Total inventory$16,875 $15,024