Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventories [Abstract]

Schedule of inventories

Inventories are comprised of the following:

	March 31, 2015		December 31, 2014
	(in thousands)
Raw materials	$	1,393	$	1,588
Work in process		1,542		1,572
Finished goods		1,095		1,038
Total Inventories, net	$	4,030	$	4,198