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Inventory, net (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Inventory Disclosure [Abstract]    
Raw materials  $ 4,143 $ 3,389
Work-in-process 6,765 9,949
Finished goods 15,520 6,359
Obsolescence reserve (3,353) (2,254)
Total inventories, net $ 23,075 $ 17,443