Consolidated Statements of Stockholders' Equity - USD ($)	Common Stock [Member]	APIC [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Gain (Loss) [Member]	Non-Controlling Interest [Member]	Total
Balance at Dec. 31, 2014	$ 982	$ 35,894,823	$ (24,135,447)		$ (729,171)	$ 11,031,187
Public offering, 9,100,000 and 1,886,000 shares, net of underwriters discounts	377	11,400,493				11,400,870
Stock issuance costs		(302,460)				(302,460)
Cashless exercise of options, 6812 shares
Stock-based compensation	7	1,573,595				1,573,602
Other comprehensive gain (loss)				(86,584)		(86,584)
Net loss			(20,295,256)		(826,629)	(21,121,885)
Balance at Dec. 31, 2015	1,366	48,566,451	(44,430,703)	(86,584)	(1,555,800)	2,494,730
Public offering, 9,100,000 and 1,886,000 shares, net of underwriters discounts	1,820	6,285,430				6,287,250
Exercise of warrants, 3,863,429 shares	773	3,862,656				3,863,429
Issuance of common stock, 4,791,377 shares	958	7,081,568				7,082,526
Stock issuance costs		(510,185)				(510,185)
Stock-based compensation	9	582,621				582,630
Other comprehensive gain (loss)				14,353		14,353
Net loss			(12,573,952)		(400,847)	(12,974,799)
Balance at Dec. 31, 2016	$ 4,926	$ 65,868,541	$ (57,004,655)	$ (72,231)	$ (1,956,647)	$ 6,839,934