Quarterly report pursuant to Section 13 or 15(d)

Components of Inventory (Detail)

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Components of Inventory (Detail) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Components of inventory, net of allowances    
Raw materials $ 3,998 $ 3,721
Work-in-process 1,462 1,158
Finished goods 6,417 6,278
Inventory $ 11,877 $ 11,157