Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION (Details)

v2.4.0.8
STOCK-BASED COMPENSATION (Details) (USD $)
 3 Months Ended 137 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation $ 262,526 $ 425,898 $ 6,943,929
Employee and Director Stock Option [Member]
      
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation 247,812 417,877 6,505,012
Employee and Director Stock Option [Member] | Research and Development Expense [Member]
      
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation 63,427 105,838 1,226,700
Employee and Director Stock Option [Member] | General and Administrative Expense [Member]
      
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation 184,385 312,039 4,572,794
Employee and Director Stock Option [Member] | Restructuring Costs [Member]
      
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation 0 0 705,518
Non Employee Consultant Stock Option [Member]
      
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation 14,714 8,021 438,917
Non Employee Consultant Stock Option [Member] | Research and Development Expense [Member]
      
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation 14,714 1,011 152,266
Non Employee Consultant Stock Option [Member] | General and Administrative Expense [Member]
      
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation $ 0 $ 7,010 $ 286,651