Inventories - Summary of Inventories (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Inventory, Net [Abstract]
Raw materials	$ 14,835	$ 13,405
Work in process	7,187	5,147
Finished goods	2,340	674
Obsolescence allowance	(2,282)	(2,174)
Total inventories	$ 22,080	$ 17,052

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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