CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Statement - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Comprehensive Income [Abstract]
Net loss	$ (9,999,537)	$ (10,262,518)
Other comprehensive loss:
Foreign currency translation loss	(2,399)	(651)
Unrealized loss on securities available-for-sale	(454)	0
Total other comprehensive loss	(2,853)	(651)
Total comprehensive loss	(10,002,390)	(10,263,169)
Preferred stock dividend	(6,060)	(6,060)
Comprehensive loss attributable to common stockholders	$ (10,008,450)	$ (10,269,229)