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Stockholders' Equity (Summary Of The Restricted Stock Unit Activity) (Details) (Restricted Stock Units [Member], USD $)
9 Months Ended
Sep. 30, 2013
Restricted Stock Units [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Outstanding, December 31, 2012 529,312
Number of Shares, Granted 447,000
Number of Shares, Vested (201,306)
Number of Shares, Forfeited (176,717)
Number of Shares, Outstanding, September 30, 2013 598,289
Weighted Average Grant Date Fair Value per Share/Unit, Outstanding, December 31, 2012 $ 2.64
Weighted Average Grant Date Fair Value per Share/Unit, Granted $ 2.20
Weighted Average Grant Date Fair Value per Share/Unit, Vested $ 3.92
Weighted Average Grant Date Fair Value per Share/Unit, Forfeited $ 2.09
Weighted Average Grant Date Fair Value per Share/Unit, Outstanding, September 30, 2013 $ 2.04