Condensed Consolidated Statement of Shareholders' Deficit (Unaudited) - 6 months ended Jun. 30, 2016 - USD ($)	Covertible Preferred Stock [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Total
Balance at Dec. 31, 2015	$ 4	$ 232	$ 60,225,994	$ (69,279,671)	$ (9,053,441)
Balance, shares at Dec. 31, 2015	44,030	2,318,050
Conversion of preferred stock to common stock		$ 1	(1)		0
Conversion of preferred stock to common stock, shares	(500)	10,132
Payment of preferred dividend paid with common stock		$ 0	3,957	(3,957)	0
Payment of preferred dividend paid with common stock, shares		802
March 2016 equity offering, net of costs		$ 25	1,204,568		1,204,593
March 2016 equity offering, net of costs, shares		245,226
Warrant exercises		$ 19	932,073		932,092
Warrant exercises, shares		192,510
Issuance of warrants and price adjustments			2,161,221		2,161,221
Conversion of warrant liability to Additional Paid-In-Capital			934,021		934,021
Issuance of common stock for professional services		$ 3	172,048		172,051
Issuance of common stock for professional services, shares		31,000
Stock compensation expense		$ 2	264,735		264,737
Stock compensation expense, shares		15,858
Issuance of common stock under Associate Stock Purchase Plan		$ 1	61,747		61,748
Issuance of common stock under Associate Stock Purchase Plan,shares		12,109
Net loss				(8,137,720)	(8,137,720)
Balance at Jun. 30, 2016	$ 4	$ 283	$ 65,960,363	$ (77,421,348)	$ (11,460,698)
Balance, shares at Jun. 30, 2016	43,530	2,825,687