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Stock Options (Details 1) (USD $)
12 Months Ended
Dec. 31, 2013
$0.09 - $0.25
Dec. 31, 2013
$0.26 - $0.50
Dec. 31, 2012
$0.09 - $0.50
Dec. 31, 2012
$0.51 - $1.00
Dec. 31, 2011
$0.51 - $1.00
Dec. 31, 2011
$0.10 - $0.50
Exercise Price Range, Lower Range $ 0.09 $ 0.26 $ 0.09 $ 0.51 $ 0.51 $ 0.10
Exercise Price Range, Upper Range $ 0.25 $ 0.50 $ 0.50 $ 1.00 $ 1.00 $ 0.50
Options Outstanding at end of year 2,435,760 7,053,360 11,341,120 11,341,120 468,000 11,525,120
Weighted-average remaining contractual life (in years) 1 year 1 year 2 years 1 year 1 year 3 years
Weighted average exercise price Outstanding at end of year $ 0.20 $ 0.48 $ 0.42 $ 0.96 $ 0.80 $ 0.42
Exercisable at end of year 2,435,760 7,053,360 11,341,120 11,341,120 468,000 11,525,120
Weighted average exercise price of options exercisable at end of year $ 0.20 $ 0.48 $ 0.42 $ 0.96 $ 0.80 $ 0.42