Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Inventories
Raw materials	$ 714	$ 646
Work in progress		82
Finished Goods	1,270	1,499
Inventory at cost	1,984	2,227
Inventory reserve	(281)	(196)
Inventories net	$ 1,703	$ 2,031