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Stock-Based Compensation Plans (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Y
Jun. 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    173,500
Weighted average exercise price, granted     
Shares under option, exercised (25,000)  
Weighted average exercise price, exercised $ 0.41  
Shares under option, forfeited (165,500)  
Weighted average exercise price, forfeited $ 0.95  
Shares under option outstanding at June 30, 2012 1,471,250  
Weighted average exercise price outstanding at June 30, 2012 $ 1.00  
Outstanding, weighted average exercise remaining contractual life 6 years 10 months 24 days 6 years 3 months
Outstanding aggregate intrinsic value $ 152  
Shares under option, exercisable at June 30, 2012 847,625  
Weighted average exercise price, exercisable at June 30, 2012 $ 1.13  
Exercisable, weighted average exercise remaining contractual life 6.3  
Exercisable aggregate intrinsic value $ 75