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STOCKHOLDERS' EQUITY (Details Textual) (USD $)
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1 Months Ended | |
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Aug. 20, 2014
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Mar. 31, 2015
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| Class of Warrant or Right [Line Items] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 6,604,096us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights | |
| Proceeds from Issuance or Sale of Equity | $ 13,475,832us-gaap_ProceedsFromIssuanceOrSaleOfEquity | |
| Proceeds from (Repurchase of) Equity | 11,877,143us-gaap_ProceedsFromRepurchaseOfEquity | |
| Payments of Stock Issuance Costs | 1,598,689us-gaap_PaymentsOfStockIssuanceCosts | |
| August 2014 Debenture [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| 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 |
$ 172,435us-gaap_InterestPayableCurrentAndNoncurrent / us-gaap_DebtInstrumentAxis = clrb_August2014DebentureMember |
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| Debt Instrument, Interest Rate, Stated Percentage |
8.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = clrb_August2014DebentureMember |
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| Warrant [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Share Price |
$ 0.01us-gaap_SharePrice / us-gaap_StatementEquityComponentsAxis = us-gaap_WarrantMember |
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| Common Stock [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| 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] | ||
| Class of Warrant or Right [Line Items] | ||
| 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 Underwritten Offering [Member] | ||
| Class of Warrant or Right [Line Items] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights |
1,109,690us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_DebtInstrumentAxis = clrb_August2014UnderwrittenOfferingMember / 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_August2014UnderwrittenOfferingMember / 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_August2014UnderwrittenOfferingMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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- Definition
Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of interest payable on debt, including, but not limited to, trade payables. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The net cash inflow or outflow resulting from the entity's share transaction. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Discount rate from fair value on offering date that participants pay for shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Price of a single share of a number of saleable stocks of a company. No definition available.
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- Definition
Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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