Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Payables and Accruals [Abstract]
Accrued distribution and partner costs	$ 48	$ 89
Accrued compensation and related expenses	95	102
Accrued professional service fees	68	117
Notes Payable	212	0
Other	(7)	3
Capital lease obligation (note 7)	87	87
Total accrued liabilities	$ 503	$ 398