Inventories (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Raw materials	$ 7,273	$ 6,834
Work in progress	629	0
Finished goods	8,019	6,284
Reserve	(1,722)	(410)
Total	$ 14,199	$ 12,708	[1]

[1] Derived from the audited December 31, 2016 financial statements