Inventories (Tables)

3 Months Ended

Mar. 31, 2018

Schedule of Inventories

Inventories consist of the following (in thousands):

	March 31, 2018		December 31, 2017
Raw Materials	$	21,826	$	22,351
Work-in-process		3,828		4,083
Finished products		14,470		12,570
Total	$	40,124	$	39,004