CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Capital Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Total
Common stock issued at Aug. 21, 2002	$ 58,214	$ 76,660,911	$ 0	$ 76,719,125
Common stock issued (in shares) at Aug. 21, 2002	58,150,068
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Capital stock of GeoGlobal at August 29, 2003	14,657	0	10,914,545	10,929,202
Capital stock of GeoGlobal at August 29, 2003 (in shares)	14,656,688
Elimination of GeoGlobal capital stock in recognition of reverse takeover	(14,657)	0	(10,914,545)	(10,929,202)
Elimination of GeoGlobal capital stock in recognition of reverse takeover (in shares)	(1,000)
Share issuance cost	0	(4,778,844)	0	(4,778,844)
2007 Compensation Options	0	705,456	0	705,456
2005 Stock Purchase Warrant modification	0	1,320,000	(1,320,000)	0
2005 Compensation Option & Warrant modification	0	240,000	0	240,000
Stock-based compensation	0	10,407,150	0	10,407,150
Net loss	0	0	(21,272,176)	(21,272,176)
Balance at Dec. 31, 2008	58,214	84,554,673	(22,592,176)	62,020,711
Balance (in shares) at Dec. 31, 2008	72,805,756
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Compensation option and warrant modification	0	264,000	0	264,000
Stock purchase warrant modification	0	1,754,000	(1,754,000)	0
Stock-based compensation	0	1,581,105	0	1,581,105
Net loss	0	0	(4,424,247)	(4,424,247)
Balance at Dec. 31, 2009	58,214	88,153,778	(28,770,423)	59,441,569
Balance (in shares) at Dec. 31, 2009	72,805,756
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued for private placements	9,941	8,440,059	0	8,450,000
Common stock issued for private placements (in shares)	9,941,177
Share issuance cost	0	(463,804)	0	(463,804)
Stock-based compensation	0	969,964	0	969,964
Net loss	0	0	(18,788,624)	(18,788,624)
Balance at Dec. 31, 2010	68,155	97,099,997	(47,559,047)	49,609,105
Balance (in shares) at Dec. 31, 2010	82,746,933
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued for private placements	16,467	3,935,526	0	3,951,993
Common stock issued for private placements (in shares)	16,466,639
Share issuance cost	0	(625,000)	0	(625,000)
Stock-based compensation	0	894,546	0	894,546
Net loss	0	0	(12,607,841)	(12,607,841)
Balance at Dec. 31, 2011	$ 84,622	$ 101,305,069	$ (60,166,888)	$ 41,222,803
Balance (in shares) at Dec. 31, 2011	99,213,572