Summary of Significant Accounting Policies (Details 1) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Summary of Significant Accounting Policies
Raw material	$ 23,733	$ 20,308
Work in process	9,571	11,339
Finished goods	17,474	18,651
Total inventories	$ 50,778	$ 50,298

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