Inventory (Tables)

3 Months Ended

Mar. 31, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory consisted of the following:

(in thousands)	March 31, 2017		December 31, 2016
Raw materials	$	9,483	$	9,658
Work in process		4,237		3,965
Finished goods		6,070		4,017
Total inventory	$	19,790	$	17,640