Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Numerator:
Net Loss	$ (2,078)	$ (40,308)	$ (2,127)	$ (44,394)
Deemed capital contribution on extinguishment of preferred stock	31,480		31,480
Net income (loss) available to common stockholders	$ 29,402	$ (40,308)	$ 29,353	$ (44,394)
Denominator:
Weighted average number of common shares outstanding,	3,060,455	1,506,221	2,883,160	1,506,055
Earnings per basic share:
Net Loss	$ (0.68)	$ (26.76)	$ (0.74)	$ (29.48)
Deemed capital contribution on extinguishment of preferred stock	10.29		10.92
Net income (loss) available to common stockholders	$ 9.61	$ (26.76)	$ 10.18	$ (29.48)
Numerator:
Net Loss	$ (2,078)	$ (40,308)	$ (2,127)	$ (44,394)
Deemed capital contribution on extinguishment of preferred stock	31,480		31,480
Net income (loss) available to common stockholders	$ 29,402	$ (40,308)	$ 29,353	$ (44,394)
Denominator:
Weighted average basic shares outstanding,	3,060,455	1,506,221	2,883,160	1,506,055
Weighted average effect of dilutive securities
Employee stock options	1,646		684
Convertible preferred stock	123,482		259,601
Restricted stock units	7,644		3,577
Weighted average diluted shares outstanding	3,193,227	1,506,221	3,147,022	1,506,055
Earnings per diluted share:
Net Loss	$ (0.65)	$ (26.76)	$ (0.68)	$ (29.48)
Deemed capital contribution on extinguishment of preferred stock	$ 9.86		$ 10