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Summary Of Significant Accounting Policies (Narrative) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
0 Months Ended 3 Months Ended 9 Months Ended
May 02, 2011
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Summary Of Significant Accounting Policies [Abstract]          
Depreciation expense   $ 183 $ 88 $ 550 $ 261
Stock option awards granted       364,000  
Expected life       4 years  
Expected volatility       73.00%  
Dividend yield       0.00%  
Risk-free interest rate       0.59%  
Stock-based compensation expense   39 172 289 545
Stock options exercised     18,000   1,635,000
Proceeds received from options exercised     40   2,976
Special dividend paid, per common share $ 2.00        
Total amount of dividend paid $ 31,335        
Options not included in computation because they were anti-dilutive   1,236,000     646,000
Weighted average exercise of price of options outstanding that were anti-dilutive   $ 3.97     $ 6.54