Equity Instruments (Details 2) (Warrants [Member], USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of warrants outstanding and exercisable
Warrants outstanding	35,957,583	41,057,583	27,209,750
Exercise Price Range Lower Limit	$ 0.25
Exercise Price Range Upper Limit	$ 1.00
Weighted-Average Exercise Price	$ 0.33	$ 0.35	$ 0.37
Weighted-Average Remaining Contractual Life	4 years 3 months 4 days	4 years 10 months 10 days	4 years 3 months
Warrants Exercisable	35,890,583
Weighted-Average Exercise Price of Exercisable Warrants	$ 0.33
Range One [Member]
Summary of warrants outstanding and exercisable
Warrants outstanding	23,809,250
Exercise Price Range Lower Limit	$ 0.25
Weighted-Average Exercise Price	$ 0.25
Weighted-Average Remaining Contractual Life	5 years 1 month 13 days
Warrants Exercisable	23,809,250
Weighted-Average Exercise Price of Exercisable Warrants	$ 0.25
Range Two [Member]
Summary of warrants outstanding and exercisable
Warrants outstanding	3,773,333
Exercise Price Range Lower Limit	$ 0.44
Weighted-Average Exercise Price	$ 0.44
Weighted-Average Remaining Contractual Life	2 years 3 months 29 days
Warrants Exercisable	3,773,333
Weighted-Average Exercise Price of Exercisable Warrants	$ 0.44
Range Three [Member]
Summary of warrants outstanding and exercisable
Warrants outstanding	8,375,000
Exercise Price Range Lower Limit	$ 0.50
Exercise Price Range Upper Limit	$ 1.00
Weighted-Average Exercise Price	$ 0.51
Weighted-Average Remaining Contractual Life	2 years 5 months 16 days
Warrants Exercisable	8,308,000
Weighted-Average Exercise Price of Exercisable Warrants	$ 0.50