Inventories

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are stated at the lower of cost and net realizable value using the first-in first-out costing method. Inventories as of December 31, 2018 and 2017 include the costs of material, labor, and factory overhead. Components of inventories consist of the following:

	December 31,
	2018		2017
Raw materials	$	13,698	$	13,347
Work in process	2,489		2,137
Finished goods	6,755		7,248
	$	22,942	$	22,732