Derivative Financial Instruments (Details 2) (USD $)	3 Months Ended							9 Months Ended		82 Months Ended
	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012
Changes in warrants
Balance at the beginning of the period (in shares)	2,377,660	2,265,160	2,265,160	1,510,134	1,469,676	938,469	728,469	2,265,160	728,469
New warrants issued during the quarter (in shares)				1,810,294	40,458	611,207	210,000
Reclassification of derivative liability to equity during the quarter (in shares)				(1,055,268)
Exercise of warrants during the quarter (in shares)						(80,000)
Warrants classified to derivative liability during quarter (in shares)		112,500
Balance at the end of the period (in shares)	2,377,660	2,377,660	2,265,160	2,265,160	1,510,134	1,469,676	938,469	2,377,660	1,510,134	2,377,660
Changes in derivative instrument liability
Balance at the beginning of the period	$ 4,803,717	$ 3,317,168	$ 3,325,114	$ 3,860,838	$ 7,958,506	$ 5,139,347	$ 3,487,959	$ 3,325,114	$ 3,487,959
Fair value of new warrants issued during the quarter				3,082,203	285,128	2,607,827	1,312,673
Exercise of warrants during the quarter						(486,328)
Reclassification of derivative liability to equity during the quarter				(1,707,317)
Warrants classified to derivative liability during quarter		169,202
Change in fair value of derivative instruments-warrants	(140,322)	1,317,347	(7,946)	(1,910,610)	(4,382,796)	697,660	338,715	1,169,079	(3,346,421)	(4,384,736)
Balance at the end of the period	$ 4,663,395	$ 4,803,717	$ 3,317,168	$ 3,325,114	$ 3,860,838	$ 7,958,506	$ 5,139,347	$ 4,663,395	$ 3,860,838	$ 4,663,395