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Stock Based Compensation (Details Textual) (USD $)
6 Months Ended
Jun. 30, 2012
Stock or Unit Option Plan Expense $ 37,000
Percentage Of Incentive Stock Options Vest On Second Anniversary Of Grant Date 30.00%
Percentage Of Incentive Stock Options Vest On Third Anniversary Of Grant Date 60.00%
Percentage Of Incentive Stock Options Vest On Fourth Anniversary Of Grant Date 100.00%
Percentage Of Nonqualified Stock Options Vest On First Anniversary Of Grant Date 50.00%
Percentage Of Nonqualified Stock Options Vest On Second Anniversary Of Grant Date 100.00%
Percentage Of Board Of Directors Plan Vest On First Anniversary Of Grant Date 50.00%
Percentage Of Board Of Directors Plan Vest On Second Anniversary Of Grant Date 100.00%
Officer and Employee Plans [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 1,420,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized 375,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 0.78
Board Of Directors Plan [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 600,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 70,000