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Stock-Based Compensation (Details 1) (USD $)
9 Months Ended
Sep. 30, 2013
Number of Shares, Nonvested at beginning of period 6,548
Number of Shares, Granted 3,930
Number of Shares, Vested (6,548)
Number of Shares, Cancelled 0
Number of Shares, Nonvested at end of period 3,930
Weighted Average Grant Date Fair Value, Nonvested at beginning of period $ 14.89
Weighted Average Grant Date Fair Value, Granted $ 6.81
Weighted Average Grant Date Fair Value, Vested $ 14.89
Weighted Average Grant Date Fair Value, Cancelled $ 0
Weighted Average Grant Date Fair Value, Nonvested at end of period $ 6.81