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STOCKHOLDERS' EQUITY (Details Textual) (USD $)
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1 Months Ended |
9 Months Ended |
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Aug. 20, 2014
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Sep. 30, 2014
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Sep. 30, 2013
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Feb. 20, 2014
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Feb. 05, 2014
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| Class of Warrant or Right [Line Items] |
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| Class of Warrant or Right, Number of Securities Called by Warrants or Rights |
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6,604,096us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
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275,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
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| Class of Warrant or Right, Exercise Price of Warrants or Rights |
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$ 10.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
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$ 20.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
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| Proceeds from Issuance or Sale of Equity |
$ 13,475,832us-gaap_ProceedsFromIssuanceOrSaleOfEquity
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| Proceeds from (Repurchase of) Equity |
11,877,143us-gaap_ProceedsFromRepurchaseOfEquity
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| Payments of Stock Issuance Costs |
1,598,689us-gaap_PaymentsOfStockIssuanceCosts
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518,822us-gaap_PaymentsOfStockIssuanceCosts
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0us-gaap_PaymentsOfStockIssuanceCosts
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| Underwriter [Member] |
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| Class of Warrant or Right [Line Items] |
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| Warrants Not Settleable in Cash, Fair Value Disclosure |
275,000us-gaap_WarrantsNotSettleableInCashFairValueDisclosure
/ us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersByAffiliationWithRegistrantAxis
= clrb_UnderwriterMember
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| August 2014 Debenture [Member] |
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| Class of Warrant or Right [Line Items] |
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| Class of Warrant or Right, Exercise Price of Warrants or Rights |
$ 4.68us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtInstrumentAxis
= clrb_August2014DebentureMember
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| Share Price |
$ 3.76us-gaap_SharePrice
/ us-gaap_DebtInstrumentAxis
= clrb_August2014DebentureMember
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| Debt Instrument, Face Amount |
4,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_DebtInstrumentAxis
= clrb_August2014DebentureMember
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| Interest Payable |
$ 172,444us-gaap_InterestPayableCurrentAndNoncurrent
/ us-gaap_DebtInstrumentAxis
= clrb_August2014DebentureMember
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| Warrant [Member] |
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| Class of Warrant or Right [Line Items] |
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| Share Price |
$ 0.01us-gaap_SharePrice
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_WarrantMember
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| Common Stock [Member] |
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| Class of Warrant or Right [Line Items] |
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| Stock Issued During Period, Shares, New Issues |
3,583,333us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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| Class of Warrant or Right, Number of Securities Called by Warrants or Rights |
3,833,333us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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| Class of Warrant or Right, Exercise Price of Warrants or Rights |
$ 4.68us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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| Share Price |
$ 3.75us-gaap_SharePrice
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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| Share-based Compensation Arrangement by Share-based Payment Award, Discount from Market Price, Offering Date |
6.40%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDiscountFromMarketPriceOfferingDate
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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| Common Stock [Member] | Underwriter [Member] |
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| Class of Warrant or Right [Line Items] |
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| Class of Warrant or Right, Number of Securities Called by Warrants or Rights |
96,988us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersByAffiliationWithRegistrantAxis
= clrb_UnderwriterMember
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| Class of Warrant or Right, Exercise Price of Warrants or Rights |
$ 4.6875us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersByAffiliationWithRegistrantAxis
= clrb_UnderwriterMember
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| Common Stock [Member] | August 2014 Debenture [Member] |
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| Class of Warrant or Right [Line Items] |
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| Class of Warrant or Right, Number of Securities Called by Warrants or Rights |
1,109,690us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ us-gaap_DebtInstrumentAxis
= clrb_August2014DebentureMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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| Class of Warrant or Right, Exercise Price of Warrants or Rights |
$ 4.68us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_DebtInstrumentAxis
= clrb_August2014DebentureMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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| Debt Conversion, Converted Instrument, Shares Issued |
1,109,690us-gaap_DebtConversionConvertedInstrumentSharesIssued1
/ us-gaap_DebtInstrumentAxis
= clrb_August2014DebentureMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
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