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Inventories, Net (Schedule of Components of Inventories) (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Inventories, Net [Abstract]    
Raw materials $ 2,909 $ 2,788
Work in process 1,845 1,561
Finished goods 4,165 5,248
Total inventories 8,919 9,597
Less inventory reserve (786) (765)
Total inventories, net $ 8,133 $ 8,832