Consolidated Statement of Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2015 - USD ($)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
BALANCE at Dec. 31, 2014	$ 4,934	$ 106,442,897	$ (93,299,794)	$ 13,148,037
BALANCE, shares at Dec. 31, 2014	4,934,601
Stock based compensation expense		267,408		267,408
Issuance of common stock, net of costs	$ 4,857	7,625,900		7,630,757
Issuance of common stock, net of costs, shares	4,857,143
Exercise of stock options	$ 1	3,456		$ 3,457
Exercise of stock options, shares	313
Vesting of restricted stock	$ 44	$ (44)
Vesting of restricted stock, shares	44,205
Net loss			$ (2,516,086)	$ (2,516,086)
BALANCE at Jun. 30, 2015	$ 9,826	$ 114,339,617	$ (95,815,880)	$ 18,533,573
BALANCE, shares at Jun. 30, 2015	9,836,262