Stockholders' Equity Summary of Restricted Stock Unit Activity and Weighted Average Exercise Price (Details) - Jun. 30, 2015 - Restricted Stock Units (RSUs) [Member] - USD ($) $ / shares in Units, $ in Thousands	Total
Number of Shares
Balance outstanding at December 31, 2014	0
Granted	1,256,500
Exercised	0
Forfeited	0
Non-vested and outstanding at June 30, 2015	1,256,500
Expected to vest at June 30, 2015	876,364
Weighted Average Grant Date Fair Value (usd per share)
Non-vested and outstanding at June 30, 2015	$ 2.08
Expected to vest at June 30, 2015	$ 2.05
Aggregate Fair Value (in thousands)
Non-vested and outstanding at June 30, 2015	$ 12,326
Expected to vest at June 30, 2015	$ 8,597