Commitments and Contingencies (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Years ending December 31,
2015	$ 87
2016	0
2017	0
2018	0
Total minimum net payments	87
Less: amount representing interest	0
Present value of net minimum payments	111
Less: current portion	(111)	$ (87)
Long-term portion of capital lease obligations	0
Operating Leases
2015	24
2016	0
2017	0
2018	0
Total minimum net payments	24
Total
2015	111
2016	0
2017	0
2018	0
Total minimum net payments	$ 111