Summary of Significant Accounting Policies (Details 1) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Numerator:
Net Loss	$ (6,476)	$ (51,465)
Deemed dividend related to immediate accretion of beneficial conversion feature of convertible preferred stock		(323)
Deemed capital contribution on extinguishment of preferred stock	31,480	9,485
Net income (loss )available to common stockholders	$ 25,004	$ (42,303)
Denominator:
Weighted average number of common shares outstanding,	3,700,090	1,693,365
Earnings per basic share:
Net Loss	$ (1.75)	$ (30.39)
Deemed dividend related to immediate accretion of beneficial conversion feature of convertible preferred stock		(0.19)
Deemed capital contribution on extinguishment of preferred stock	8.51	5.6
Net income (loss) available to common stockholders	$ 6.76	$ (24.98)
Numerator:
Net Loss	$ (6,476)	$ (51,465)
Deemed dividend related to immediate accretion of beneficial conversion feature of convertible preferred stock		(323)
Deemed capital contribution on extinguishment of preferred stock	31,480	9,485
Net income (loss) income available to common stockholders	$ 25,004	$ (42,303)
Denominator:
Weighted average basic shares outstanding,	3,700,090	1,693,365
Weighted average effect of dilutive securities
Employee stock options	296
Convertible preferred stock	130,562
Restricted stock units	7,418
Weighted average diluted shares outstanding	3,838,366	1,693,365
Earnings per diluted share:
Net Loss	$ (1.69)	$ (30.39)
Deemed dividend related to immediate accretion of beneficial conversion feature of convertible preferred stock		(0.19)
Deemed capital contribution on extinguishment of preferred stock	8.2	5.6
Net income (loss) available to common stockholders	$ 6.51	$ (24.98)