Annual report pursuant to Section 13 and 15(d)

Preferred Stock Warrants and Warrant Liability (Details)

v2.4.0.8
Preferred Stock Warrants and Warrant Liability (Details)
Dec. 31, 2010
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 41,558,259
Series C Warrants-2008 Loan and Security Agreement [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 280,803
Exercise price 0.7345
Series D Warrants-2009 Convertible Debt [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 4,368,948
Exercise price 0.1198
Series D Warrants-Series D Preferred Stock Issuance [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 8,347,236
Exercise price 0.1198
Series D Warrants-1st Amendment [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 6,243,362
Exercise price 0.1198
Series D Warrants-2nd Amendment [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 8,694,558
Exercise price 0.1198
Series D Warrants-3rd Amendment [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 4,462,227
Exercise price 0.1198
Series D Warrants-5th Amendment [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 2,260,440
Exercise price 0.1198
Series D Warrants-6th Amendment [Member]
 
Information relating Preferred Stock Warrants  
Remaining Number Outstanding 6,900,685
Exercise price 0.1198