Annual report pursuant to Section 13 and 15(d)

LICENSE AGREEMENTS (Details Textual)

v2.4.1.9
LICENSE AGREEMENTS (Details Textual) (USD $)
 1 Months Ended 12 Months Ended
Sep. 30, 2003
Dec. 31, 2014
Dec. 31, 2013
Schedule of License Agreements [Line Items]      
Payment Of License Fee $ 10,000clrb_PaymentOfLicenseFee    
Payment Of Sublicense Fee Description if the sublicense fee payable to the Company is between 4% and 5% of net sales, then the royalties payable to U. Mich. Shall be equal to 50% of the sublicense fee.    
Percentage Of Revenue Received In Kind 10.00%clrb_PercentageOfRevenueReceivedInKind    
Maximum [Member]      
Schedule of License Agreements [Line Items]      
Future Milestone Payments 200,000clrb_FutureMilestonePayments
/ us-gaap_RangeAxis
= us-gaap_MaximumMember 		   
Minimum [Member]      
Schedule of License Agreements [Line Items]      
Future Milestone Payments 100,000clrb_FutureMilestonePayments
/ us-gaap_RangeAxis
= us-gaap_MinimumMember 		   
University Of Michigan Agreement [Member]      
Schedule of License Agreements [Line Items]      
Agreement Expiration Period 2016    
Milestone Payment Method Description if sales in the first 12 months are less than the amount of the milestone, then we are required to pay 50% of all sales until the milestone is satisfied.    
Future Milestone Payments 400,000clrb_FutureMilestonePayments
/ clrb_TypesOfAgreementAxis
= clrb_UniversityOfMichiganAgreementMember 		   
Percentage Of Royalty Revenue 3.00%clrb_PercentageOfRoyaltyRevenue
/ clrb_TypesOfAgreementAxis
= clrb_UniversityOfMichiganAgreementMember 		   
Percentage Of Reduction In Royalties Owed 50.00%clrb_PercentageOfReductionInRoyaltiesOwed
/ clrb_TypesOfAgreementAxis
= clrb_UniversityOfMichiganAgreementMember 		   
Reimbursement Of Patent Maintenance Fees   500clrb_ReimbursementOfPatentMaintenanceFees
/ clrb_TypesOfAgreementAxis
= clrb_UniversityOfMichiganAgreementMember 		4,200clrb_ReimbursementOfPatentMaintenanceFees
/ clrb_TypesOfAgreementAxis
= clrb_UniversityOfMichiganAgreementMember
University Of Michigan Agreement [Member] | New Drug Application [Member]      
Schedule of License Agreements [Line Items]      
Payment Of Milestone Expenses $ 50,000clrb_PaymentOfMilestoneExpenses
/ us-gaap_ProductOrServiceAxis
= clrb_NewDrugApplicationMember
/ clrb_TypesOfAgreementAxis
= clrb_UniversityOfMichiganAgreementMember 		   
Milestone Payment Method Description such milestone fees may be deferred and paid within 12 months of the first commercial sale of such products