Warrant - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Jul. 24, 2015	Jun. 24, 2015	Dec. 31, 2010
Class Of Warrant Or Right [Line Items]
Warrant exercisable date	Jun. 30, 2020
Warrant exercise price	$ 1.732				$ 2.54
Change in fair value of preferred stock warrant		$ 150,000
Series C Redeemable Convertible Preferred Stock
Class Of Warrant Or Right [Line Items]
Warrants issued to purchase shares					87,500
Common Class B
Class Of Warrant Or Right [Line Items]
Warrants issued to purchase shares				89,177
Total exercise price of warrants				$ 151,603
Warrant exercised issued, net			76,565