Inventories

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are stated at the lower of cost (first-in, first-out) or net realizable value. Inventories consisted of the following at September 30, 2018 and December 31, 2017, respectively (in thousands):

	September 30, 2018		December 31, 2017
Raw materials	$	23,572	$	22,252
Work-in-process (materials, labor and overhead)	20,915		22,813
Finished goods (materials, labor and overhead)	18,822		22,013
Total inventories	$	63,309	$	67,078