Net Loss per Common Share - Computation of Basic and Diluted Net Loss per Common Share (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Basic and diluted net loss per common share:
Net loss	$ (6,812,190)	$ (2,129,394)	$ (12,678,131)	$ (4,269,528)
Weighted average common shares outstanding, basic and diluted	19,149,417	11,108,144	19,149,417	11,108,144
Net loss per common share, basic and diluted	$ (0.36)	$ (0.19)	$ (0.66)	$ (0.38)