Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Stock-Based Compensation (Summary Of Unvested Shares) (Details) - $ / shares
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Weighted average fair value at grant date, Vested $ 0.22 $ 0.49
Nonvested Options [Member]    
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]    
Number of options, outstanding 5,888,432  
Number of options, Granted 3,337,090  
Number of options, Vested (1,337,754)  
Number of options, Cancelled  
Number of options, outstanding 7,887,768  
Weighted average fair value at grant date, Unvested $ 0.51  
Weighted average fair value at grant date, Granted 0.22  
Weighted average fair value at grant date, Vested $ 0.50  
Weighted average fair value at grant date, Cancelled  
Weighted average fair value at grant date, Unvested $ 0.39