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Inventory (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials $ 7,466 $ 5,228
Work in process 0 667
Finished goods 3,844 3,279
Total inventories $ 11,310 $ 9,174
Finished goods shelf life 36 months