Equity Instruments (Details) (Warrant [Member], USD $)	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2011	Mar. 31, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Warrant [Member]
Schedule of Warrant activity
Share-based compensation arrangement by share-based payment award, options, outstanding, beginning balance	40,982,583	41,057,583	28,351,250	27,209,750	41,057,583	27,209,750	27,209,750
Share-based compensation arrangement by share-based payment award, options, outstanding, weighted average exercise price, beginning balance	$ 0.35	$ 0.35	$ 0.40	$ 0.38	$ 0.35	$ 0.38	$ 0.38
Weighted-average remaining contractual term outstanding beginning balance	4 years 6 months 29 days	4 years 7 months 10 days	3 years 9 months 7 days	4 years 18 days			4 years 10 months 10 days	4 years 3 months
Shares granted		25,000		1,291,500	433,000
Weighted-average exercise price granted		$ 0.25		$ 0.89	$ 0.25
Shares forfeited or expired		(100,000)	(1,000,000)	(650,000)	(2,300,000)
Weighted-average exercise price forfeited		$ 0.53		$ 0.51	$ 0.32	$ 1.00
Share-based compensation arrangement by share-based payment award, options, outstanding, ending balance	38,682,583	40,982,583	27,784,250	28,351,250	38,682,583	27,784,250	41,057,583	27,209,750
Share-based compensation arrangement by share-based payment award, options, outstanding, weighted average exercise price, ending balance	$ 0.35	$ 0.35	$ 0.37	$ 0.40	$ 0.35	$ 0.37	$ 0.35	$ 0.38
Weighted-average remaining contractual term outstanding ending balance	4 years 6 months 29 days	4 years 7 months 10 days	3 years 9 months 7 days	4 years 18 days			4 years 10 months 10 days	4 years 3 months
Shares exercisable ending balance	37,615,583		25,459,250		37,615,583	25,459,250
Weighted-average exercise price exercisable ending	$ 0.33		$ 0.34		$ 0.33	$ 0.34
Weighted average remaining contractual term exercisable ending					4 years 7 months 13 days	3 years 9 months 4 days
Shares reclassified				500,000
Weighted-average exercise price reclassified				$ 0.55