XML 26 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Stock Options and Warrants, Warrants, Shares purchased and intrinsic value (Details) (USD $)
In Millions, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Oct. 15, 2013
Dec. 31, 2012
Oct. 23, 2012
Nov. 30, 2013
Aug. 31, 2013
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]              
Exercise price of warrant issued (in dollars per share) $ 30us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights            
Closing price of the common stock (in dollars per share)     $ 2.25us-gaap_SharePrice   $ 2.50us-gaap_SharePrice    
Shares underlying warrants (in shares) 6,371,854us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights 6,984,716us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights   6,984,716us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights      
Stock Options [Member]              
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]              
The aggregate intrinsic value of outstanding options $ 4.4us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		            
Aggregate intrinsic value of options exercised 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		            
Aggregate intrinsic value of options vested $ 2.2cytr_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedInPeriodIntrinsicValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		            
Closing price of the common stock (in dollars per share) $ 2.74us-gaap_SharePrice
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		            
Warrants [Member]              
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]              
Number of warrants issued           2cytr_NumberOfWarrantsIssued
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember		  
Number of shares purchased (in shares)             500,000us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Exercise price of warrant issued (in dollars per share)             $ 2.50us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
/ us-gaap_AwardTypeAxis
= us-gaap_WarrantMember
Warrants One [Member]              
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]              
Number of shares purchased (in shares)           125,000us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= cytr_WarrantsOneMember		  
Exercise price of warrant issued (in dollars per share)           3.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
/ us-gaap_AwardTypeAxis
= cytr_WarrantsOneMember		  
Warrants Two [Member]              
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]              
Number of shares purchased (in shares)           125,000us-gaap_ClassOfWarrantOrRightOutstanding
/ us-gaap_AwardTypeAxis
= cytr_WarrantsTwoMember		  
Exercise price of warrant issued (in dollars per share)           3.75us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
/ us-gaap_AwardTypeAxis
= cytr_WarrantsTwoMember		  
Cashless exercise [Member]              
Share based compensation, shares authorized under significant ranges of outstanding stock option plans in period [Abstract]              
Number of warrants issued           62,172cytr_NumberOfWarrantsIssued
/ us-gaap_AwardTypeAxis
= cytr_CashlessExerciseMember