Stock Purchase Warrants - (Details 2) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Warrants
Number of Shares Exercisable	2,480,000
Weighted average remaining contract life in years	1 year 7 days
Weighted average exercise price	$ 0.66	$ 0.51	$ 0.80
$0.31 Warrant Member
Warrants
Number of Shares Exercisable	210,000
Weighted average remaining contract life in years	1 year 14 days
Weighted average exercise price	$ 0.31
$0.40 Warrant Member
Warrants
Number of Shares Exercisable	25,000
Weighted average remaining contract life in years	1 year 10 months 17 days
Weighted average exercise price	$ 0.40
$0.50 Warrant Member
Warrants
Number of Shares Exercisable	350,000
Weighted average remaining contract life in years	1 year 5 months 16 days
Weighted average exercise price	$ 0.50
$0.55 Warrant Member
Warrants
Number of Shares Exercisable	1,176,750
Weighted average remaining contract life in years	10 months 27 days
Weighted average exercise price	$ 0.55
$0.85 Warrant Member
Warrants
Number of Shares Exercisable	205,000
Weighted average remaining contract life in years	7 months 6 days
Weighted average exercise price	$ 0.85
$1.00 Warrant Member
Warrants
Number of Shares Exercisable	325,750
Weighted average remaining contract life in years	1 year 25 days
Weighted average exercise price	$ 1
$1.10 Warrant Member
Warrants
Number of Shares Exercisable	10,000
Weighted average remaining contract life in years	1 month 6 days
Weighted average exercise price	$ 1.1
$1.25 Warrant Member
Warrants
Number of Shares Exercisable	177,500
Weighted average remaining contract life in years	1 year 1 month 28 days
Weighted average exercise price	$ 1.25