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Organization and Summary of Significant Accounting Policies - Schedule of Components of Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Raw materials $ 5,527 $ 8,051
Finished goods 3,567 5,861
Inventories $ 9,094 $ 13,912