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Inventory - Schedule of Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Components $ 7,843 $ 8,183
Work in process 179 210
Finished goods 6,332 7,988
Inventory, Net $ 14,354 $ 16,381 [1]
[1] Derived from audited balance sheet as of December 31, 2019.