CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY, GIVEN RETROACTIVE ADJUSTMENT FOR THE 1-FOR-8 REVERSE STOCK SPLIT EFFECTIVE AUGUST 10, 2016 (UNAUDITED) - 9 months ended Sep. 30, 2016 - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2015	$ 69,492,036	$ 13,974	$ 152,347,372	$ (82,869,310)
Beginning Balance, Shares at Dec. 31, 2015		13,973,597
Stock-based compensation	1,673,197		1,673,197
Sale of common stock and warrants, net of issuance costs, Value	$ 2,889,350	$ 861	2,888,489
Sale of common stock and warrants, net of issuance costs, Shares	1,289,725	861,251
Shares issued for Employee Stock Purchase Plan options, Value	$ 27,435	$ 9	27,426
Shares issued for Employee Stock Purchase Plan options, Shares	9,724	9,724
Shares issued for consulting services, Value	$ 1,675,000	$ 419	1,674,581
Shares issued for consulting services, Shares	418,750	418,750
Net loss	$ (6,695,901)			(6,695,901)
Ending Balance at Sep. 30, 2016	$ 69,061,117	$ 15,263	$ 158,611,065	$ (89,565,211)
Ending Balance, Shares at Sep. 30, 2016		15,263,322