Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net loss	$ (5,671,329)	$ (6,409,687)	$ (15,721,334)	$ (16,657,137)
Other comprehensive (loss) gain
Realized loss on investment securities recognized in investment income, net				3,858
Unrealized gain on investment securities		464		464
Other comprehensive gain		464		4,322
Comprehensive loss	$ (5,671,329)	$ (6,409,223)	$ (15,721,334)	$ (16,652,815)