Consolidated Statements of Shareholders' Equity (USD $)	Total	Preferred Stock	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income	Accumulated Deficit
Beginning Balance at Dec. 31, 2009	$ 21,231,100	$ 2,851	$ 50,395	$ 41,221,613	$ 1,303,293	$ (21,347,052)
Beginning Balance (in shares) at Dec. 31, 2009		285,051	5,039,468
Net loss	(2,448,864)					(2,448,864)
Foreign currency translation adjustment	301,647				301,647
Comprehensive loss	(2,147,217)
Issuance of common stock (in shares)			1,117,800
Issuance of common stock	4,474,452		11,178	4,463,274
Issuance of common stock and warrants for license rights (in shares)			400,000
Issuance of common stock and warrants for license rights	2,417,126		4,000	2,413,126
Exercise of common stock options (in shares)			5,601
Exercise of common stock options	16,278		55	16,223
Preferred stock conversion (in shares)		(207)	207
Preferred stock conversion		(3)	3
Stock-based compensation	688,974			688,974
Ending Balance at Dec. 31, 2010	26,680,713	2,848	65,631	48,803,210	1,604,940	(23,795,916)
Ending Balance (in shares) at Dec. 31, 2010		284,844	6,563,076
Net loss	(4,340,411)					(4,340,411)
Foreign currency translation adjustment	(102,409)				(102,409)
Comprehensive loss	(4,442,820)
Issuance of common stock (in shares)			3,524,239
Issuance of common stock	26,357,075		35,242	26,321,833
Exercise of warrants, net of costs of $68,204 (in shares)			179,304
Exercise of warrants, net of costs of $68,204	366,465		1,793	364,672
Exercise of common stock options (in shares)			78,501
Exercise of common stock options	251,654		785	250,869
Preferred stock conversion (in shares)		(211,512)	211,512
Preferred stock conversion		(2,115)	2,115
Vesting of restricted stock (in shares)			21,000
Vesting of restricted stock			210	(210)
Stock-based compensation	1,634,447			1,634,447
Ending Balance at Dec. 31, 2011	$ 50,847,534	$ 733	$ 105,776	$ 77,374,821	$ 1,502,531	$ (28,136,327)
Ending Balance (in shares) at Dec. 31, 2011		73,332	10,577,632