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Stock Based Compensation (Roll-forward of Nonvested Options) (Details) (USD $)
12 Months Ended
Dec. 31, 2012
Stock Based Compensation [Abstract]  
Nonvested, beginning of year 612,350
Granted 296,750
Vested 146,000
Forfeited 52,500
Nonvested, end of year 710,600
Shares outstanding, Weighted-Average Grant Date Fair Value, beginning of year $ 2.18
Shares Granted, Weighted-Average Grant Date Fair Value $ 1.05
Shares Vested, Weighted-Average Grant Date Fair Value $ 3.39
Shares Forfeited, Weighted-Average Grant Date Fair Value $ 1.76
Shares outstanding, Weighted-Average Grant Date Fair Value, end of year $ 1.54