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Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 463 $ 211
Work-in-process 539 137
Finished goods 1,412 1,033
Subtotal 2,414 1,381
Inventory obsolescence reserve (438) (138)
Total Inventory $ 1,976 $ 1,243