XML 75 R41.htm IDEA: XBRL DOCUMENT
v2.4.1.9

FAIR VALUE (Details 1) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Beginning fair value of warrants | $ 5,720,000 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding |
Fair value of warrants issued in connection with February 2013 public offering | 4,102,709 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability | 5,720,000 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability
Gain on derivatives resulting from change in fair value | 2,285,157 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet | 2,373,941 us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Ending fair value of warrants |  | 5,720,000 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
Fair Value, Inputs, Level 3 [Member] |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |
Beginning fair value of warrants | 3,355,000 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 0 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Fair value of warrants issued in connection with February 2013 public offering | 0 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 5,720,000 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Gain on derivatives resulting from change in fair value | (2,227,500)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | (2,365,000)us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Ending fair value of warrants | $ 1,127,500 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | $ 3,355,000 clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member

X
- Definition Represents the fair value of warrants classified as derivative liabilities during the period. + References No definition available. + Details
Name: | clrb_FairValueOfWarrantsClassifiedAsDerivativeLiability
Namespace Prefix: | clrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Represents the fair value of warrants classified as derivative liabilities, outstanding as of the balance date. + References No definition available. + Details
Name: | clrb_FairValueOfWarrantsClassifiedAsDerivativeLiabilityOutstanding
Namespace Prefix: | clrb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
Name: | us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |