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Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Inventories    
Raw materials $ 11,846 $ 7,544
Work-in-process 670 227
Finished goods 3,985 2,764
Inventory, Net, Total $ 16,501 10,535
Step up inventory related to acquisition   $ 800