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Stock-Based Compensation Plans (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Summary of stock option activity under the option Plan    
Shares under option outstanding at January 1, 2012 1,661,750  
Weighted average exercise price outstanding at January 1, 2012 $ 0.98  
Shares under option, granted 322,500 274,000
Weighted average exercise price, granted $ 0.74  
Shares under option, exercised (25,000)  
Weighted average exercise price, exercised $ 0.41  
Shares under option, forfeited (251,000)  
Weighted average exercise price, forfeited $ 0.97  
Shares under option outstanding at September 30, 2012 1,708,250  
Weighted average exercise price outstanding at September 30, 2012 $ 0.95  
Outstanding, weighted average exercise remaining contractual life 6 years 3 months 6 years 2 months 1 day
Outstanding aggregate intrinsic value $ 155  
Shares under option, exercisable at September 30, 2012 915,624  
Weighted average exercise price, exercisable at September 30, 2012 $ 1.10  
Exercisable, weighted average exercise remaining contractual life 6 years  
Exercisable aggregate intrinsic value $ 82