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Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 14,071 $ 14,117
Work in progress 188 133
Finished goods 21,987 10,989
Inventories reserve (4,136) (2,208)
Inventories, net $ 32,110 $ 23,031