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Inventory - Schedule of Current Inventory (Detail) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 1,734 $ 1,572
Work in process 159 39
Finished Goods 1,675 1,469
Inventory Gross 3,568 3,080
Inventory Reserve (220) (469)
Inventory Net $ 3,348 $ 2,611