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Stock-Based Compensation Plans (Details 2) (USD $)
6 Months Ended
Jun. 30, 2012
Summary of status of the Company's non-vested share awards  
Nonvested shares under option at January 1, 2012 853,498
Weighted average grant date fair value at January 1, 2012 $ 0.85
Nonvested shares under option, granted   
Weighted average grant date fair value, granted   
Nonvested shares under option, vested (170,373)
Weighted average grant date fair value, vested $ 0.93
Nonvested shares under option, forfeited (59,500)
Weighted average grant date fair value, forfeited $ 0.88
Nonvested shares under option at June 30, 2012 623,625
Weighted average grant date fair value at June 30, 2012 $ 0.76