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Stockholders' Equity (Summary Of The Restricted Stock Unit Activity) (Details) (Restricted Stock Units [Member], USD $)
3 Months Ended
Mar. 31, 2014
Restricted Stock Units [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Outstanding, December 31, 2013 588,759
Number of Shares, Granted 328,400
Number of Shares, Vested (95,950)
Number of Shares, Forfeited (712)
Number of Shares, Outstanding, March 31, 2014 820,497
Weighted Average Grant Date Fair Value per Share/Unit, Outstanding, December 31, 2013 $ 2.05
Weighted Average Grant Date Fair Value per Share/Unit, Granted $ 4.05
Weighted Average Grant Date Fair Value per Share/Unit, Vested $ 2.49
Weighted Average Grant Date Fair Value per Share/Unit, Forfeited $ 1.71
Weighted Average Grant Date Fair Value per Share/Unit, Outstanding, March 31, 2014 $ 2.80