Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Note 5. Inventories

Inventories are comprised of the following amounts:

	March 31, 2018		December 31, 2017
Raw materials	$	38,151	$	37,337
Work in process		32,124		27,669
Finished goods		21,284		17,611
Inventories	$	91,559	$	82,617