Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Realized loss on investment securities recognized in investment income, net		$ 339	$ 3,858	$ 210
Unrealized gain on investment securities		3,300		11,507
Other comprehensive gain		3,639	3,858	11,717
Net loss	(4,530,983)	(5,674,745)	(10,247,450)	(12,679,813)
Comprehensive loss	$ (4,530,983)	$ (5,671,106)	$ (10,243,592)	$ (12,668,096)