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Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Current assets    
Work-in-process $ 0 $ 30
Finished goods 1,496 995
Total inventory, current 1,496 1,025
Non-Current assets    
Raw materials 1,818 2,143
Work-in-process 4,791 3,934
Finished goods 1,493 1,150
Total inventory, non-current 8,102 7,227
Total inventory $ 9,598 $ 8,252