Issuance of Common Stock, Warrants and Convertible Preferred Stock (Details 2) - Warrant [Member]	12 Months Ended
	Dec. 31, 2016 USD ($) $ / shares shares
Class Of Warrant Or Right Outstanding [Roll Forward]
Outstanding at beginning | shares
Granted | shares	4,306,915
Exercised | shares	(1,451,319)
Forfeited and cancelled | shares	(315,301)
Outstanding at ending | shares	2,540,295
Forfeited and cancelled
Outstanding at ending	2 years 8 months 26 days
Class Of Warrant Or Right Exercise Price Of Warrants Or Rights [Roll Forward]
Outstanding at beginning | $ / shares
Granted | $ / shares	2.00
Exercised | $ / shares	1.30
Forfeited and cancelled | $ / shares	2.00
Outstanding at ending | $ / shares	$ 2.16
Class Of Warrant Or Right Aggregate Intrinsic Value [Roll Forward]
Outstanding at beginning | $
Granted | $
Outstanding at ending | $