Inventory (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory consisted of the following:

(in thousands)	September 30, 2017		December 31, 2016
Raw materials	$	10,699	$	9,658
Work in process	5,571		3,965
Finished goods	6,762		4,017
Total inventory	$	23,032	$	17,640