CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) (USD $)	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Income [Member]	Total
BALANCE at Dec. 31, 2010	$ 28,437	$ 143,106,355	$ (124,564,120)	$ 107,669	$ 18,678,341
Balance (in shares) at Dec. 31, 2010	2,843,749				2,843,749
Issuance of warrants related to debt financing	0	433,870	0	0	433,870
Stock issued to consultants for services	80	45,920	0	0	46,000
Stock issued to consultants for services (in shares)	8,000
Share-based compensation related to restricted stock	2,100	135,177	0	0	137,277
Share-based compensation related to restricted stock (in shares)	210,000
Change in cumulative translation adjustments	0	0	0	2,340	2,340
Share-based compensation related to employee stock and options	470	94,127	0	0	94,597
Share-based compensation related to employee stock and options (in shares)	47,000
Liabilities settled with common stock	88	88,640	0	0	88,548
Liabilities settled with common stock (in shares)	8,840
Options exercised	2	1,034	0	0	1,036
Options exercised (in shares)	166
Warrants exercised	2,347	1,372,658	0	0	1,375,005
Warrants exercised (in shares)	234,650
Net loss for the nine months ended September 30, 2011	0	0	(10,335,464)	0	(10,335,464)
BALANCE at Sep. 30, 2011	$ 33,524	$ 145,277,601	$ (134,899,584)	$ 110,009	$ 10,521,550
Balance (in shares) at Sep. 30, 2011	3,352,405				3,352,405