Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE (Details 1)

v2.4.1.9
FAIR VALUE (Details 1) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair value of warrants issued in connection with February 2013 public offering     $ 4,102,709clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability $ 5,720,000clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability
Gain on derivatives resulting from change in fair value 2,850,171us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet 1,597,372us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet 3,368,977us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet 2,263,756us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Fair Value, Inputs, Level 3 [Member]        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Beginning balance - Fair value     3,355,000clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
0clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Fair value of warrants issued in connection with February 2013 public offering     0clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
5,720,000clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Gain on derivatives resulting from change in fair value     (2,535,500)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
(2,365,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
Ending balance - Fair value $ 819,500clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
$ 3,355,000clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
$ 819,500clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member
$ 3,355,000clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel3Member