Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details)

v2.4.0.8
Stock-Based Compensation (Summary Of Stock Compensation Expense) (Details) (USD $)
 3 Months Ended 156 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share Based Compensation $ 128,350 $ 371,951 $ 6,502,394
General and administrative, Payroll [Member]
      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share Based Compensation 80,911 350,379 3,201,523
General and administrative, Consulting and other professional fees [Member]
      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share Based Compensation   3,893 814,348
Research and development, Payroll [Member]
      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share Based Compensation 28,531 15,732 1,130,568
Research and development, Consulting and other professional fees [Member]
      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Share Based Compensation $ 18,908 $ 1,947 $ 1,355,955