Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary Of Unvested Shares) (Details)

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Stock-Based Compensation (Summary Of Unvested Shares) (Details) (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Nonvested Options [Member]
Dec. 31, 2011
Nonvested Options [Member]
Number of nonvested options, outstanding     565,000 735,000
Number of options, Granted     245,000  
Number of options, Vested     (304,000)  
Number of options, Cancelled (150,000) (192,000) (111,000)  
Number of nonvested options, outstanding     565,000 735,000
Weighted average fair value at grant date, Unvested     $ 0.92  
Weighted average fair value at grant date, Granted     $ 0.30  
Weighted average fair value at grant date, Vested     $ 0.92  
Weighted average fair value at grant date, Cancelled     $ 0.89  
Weighted average fair value at grant date, Unvested     $ 0.66 $ 0.92