CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - 6 months ended Jun. 30, 2015 - USD ($)	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]
Balance at Dec. 31, 2014	$ 3,963,183	$ 23,305	$ 128,106,297	$ 227,701	$ (124,394,120)
Balance, shares at Dec. 31, 2014		23,304,640
Stock based compensation - employees, consultants and directors	146,428		146,428
Issuance of common stock - offering, net of fees incurred	9,408,584	$ 1,250	$ 9,407,334
Issuance of common stock - offering, net of fees incurred, shares		1,250,000
Other comprehensive income/(loss): foreign translation adjustment	$ 267,818			$ 267,818
Cashless exercise of warrants		$ 42	$ (42)
Cashless exercise of warrants, shares		42,403
Proceeds from exercise of warrants	$ 818,250	$ 161	818,089
Proceeds from exercise of warrants, shares		161,200
Cashless exercise of stock options		$ 8	(8)
Cashless exercise of stock options, shares	138,034	7,573
Proceeds from exercise of stock options	$ 249,335	$ 125	$ 249,210
Proceeds from exercise of stock options, shares		124,705
Net loss	(3,282,624)				$ (3,282,624)
Balance at Jun. 30, 2015	$ 11,570,974	$ 24,891	$ 138,727,308	$ 495,519	$ (127,676,744)
Balance, shares at Jun. 30, 2015		24,890,521