CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net Income (Loss)	$ (2,536,747)	$ (3,170,378)	$ (6,235,941)	$ (10,975,904)
Unrealized Gain (Loss) on Available-for-Sale Investments	(182,623)	(15,015)	(112,424)	18,845
Comprehensive Income (Loss)	$ (2,719,370)	$ (3,185,393)	$ (6,348,365)	$ (10,957,059)