Consolidated Statements of Changes in Convertible Preferred Stock and Stockholders (deficit) equity (USD $)	Total	Convertible preferred stock $0.01 par value-4,000,000 shares authorized Series A as of December 31, 2009, 2010 and 2011 and 10,000,000 shares authorized as of December 31, 2012	Common stock $0.01 par value-70,000,000 shares authorized as of December 31, 2009 and 2010 and 80,000,000 shares authorized as of December 31, 2011 and 250,000,000 shares authorized as of December 31, 2012	Additional paid-In capital	Warrants	Accumulated other comprehensive (loss) gain	Accumulated deficit
Balance at Dec. 31, 2009	$ (879,305)	$ 22,438	$ 391,701	$ 73,969,455	$ 1,517,982		$ (76,780,881)
Balance (in shares) at Dec. 31, 2009		2,243,750	39,170,213
Increase (Decrease) in Stockholders' Equity
Stock issued	6,818,669		53,579	6,765,090
Stock issued (in shares)			5,357,897
Warrants exercised	2,000,000		15,267	1,984,733
Warrants exercised (in shares)			1,526,718
Options exercised			137	(137)
Options exercised (in shares)			13,668
Warrant expense	89,741				89,741
Stock-based expense	739,992			739,992
Cumulative translation adjustment	(27,600)					(27,600)
Net (loss) income	(3,064,787)						(3,064,787)
Balance at Dec. 31, 2010	5,676,710	22,438	460,684	83,459,133	1,607,723	(27,600)	(79,845,668)
Balance (in shares) at Dec. 31, 2010		2,243,750	46,068,496
Increase (Decrease) in Stockholders' Equity
Stock issued	9,855,881		44,848	9,811,033
Stock issued (in shares)			4,484,776
Restricted stock issued	9,150		9,150
Restricted stock issued (in shares)			915,000
Warrants exercised			286	(286)
Warrants exercised (in shares)			28,560
Options exercised	260,815		2,676	258,139
Options exercised (in shares)			267,573
Warrant expense	14,928				14,928
Stock-based expense	555,882			555,882
Cumulative translation adjustment	(13,129)					(13,129)
Net (loss) income	2,384,729						2,384,729
Balance at Dec. 31, 2011	18,744,966	22,438	517,644	94,083,901	1,622,651	(40,729)	(77,460,939)
Balance (in shares) at Dec. 31, 2011		2,243,750	51,764,405
Increase (Decrease) in Stockholders' Equity
Warrants exercised			9,176	(9,176)
Warrants exercised (in shares)			917,602
Options exercised	774,749		4,885	769,864
Options exercised (in shares)			488,513
Issuance of common shares-Acquisition of BPS	1,601,746		4,884	1,596,862
Issuance of common shares-Acquisition of BPS (in shares)			488,337
Stock-based expense	1,135,047			1,135,047
Cumulative translation adjustment	78,654					78,654
Net (loss) income	(4,452,305)						(4,452,305)
Balance at Dec. 31, 2012	$ 17,882,857	$ 22,438	$ 536,589	$ 97,576,498	$ 1,622,651	$ 37,925	$ (81,913,244)
Balance (in shares) at Dec. 31, 2012		2,243,750	53,658,857