Inventories (Tables)

3 Months Ended

Mar. 31, 2015

Inventories [Abstract]

Schedule of inventories

	March 31, 2015		December 31, 2014
	(unaudited)
Raw materials and work in progress	$	7,699	$	7,483
Finished goods		12,164		11,897
Total inventories	$	19,863	$	19,380