Inventories - Summary of Inventories (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Inventories
Finished goods	$ 9,447	$ 10,995
Work-in-process	14,954	12,129
Raw materials	23,363	25,746
Less: Inventory reserves	(5,527)	(5,384)
Inventories, net	$ 42,237	$ 43,486

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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