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Components of Inventory (Detail) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Components of inventory, net of allowances    
Raw materials $ 5,454 $ 4,444
Work-in-process 2,175 1,726
Finished goods 8,944 6,759
Inventory $ 16,573 $ 12,929