Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Details)

v2.4.0.8
STOCK-BASED COMPENSATION (Details) (USD $)
 12 Months Ended 134 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items]      
Total stock-based compensation $ 2,323,233 $ 1,503,297 $ 6,681,403
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 2,290,147 1,330,308 6,257,200
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 355,012 319,703 1,163,273
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 1,229,617 1,010,605 4,388,409
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 705,518 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 33,086 172,989 424,203
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 21,516 79,879 137,552
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 $ 11,570 $ 93,110 $ 286,651