STOCK-BASED COMPENSATION (Details) (USD $)
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3 Months Ended |
9 Months Ended |
Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
$ 146,559us-gaap_ShareBasedCompensation
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$ 297,674us-gaap_ShareBasedCompensation
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$ 682,775us-gaap_ShareBasedCompensation
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$ 1,101,465us-gaap_ShareBasedCompensation
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Employee and Director Stock Option [Member] |
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
162,141us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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291,398us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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681,660us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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1,080,292us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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Employee and Director Stock Option [Member] | Research and Development Expense [Member] |
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
31,441us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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84,949us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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142,142us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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297,561us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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Employee and Director Stock Option [Member] | General and Administrative Expense [Member] |
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
130,700us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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206,449us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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491,665us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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782,731us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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Employee and Director Stock Option [Member] | Restructuring Costs [Member] |
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
0us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = clrb_RestructuringCostsMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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0us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = clrb_RestructuringCostsMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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47,853us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = clrb_RestructuringCostsMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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0us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = clrb_RestructuringCostsMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_EmployeeAndDirectorStockOptionMember
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Non Employee Consultant Stock Option [Member] |
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
(15,582)us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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6,276us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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1,115us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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21,173us-gaap_ShareBasedCompensation / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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Non Employee Consultant Stock Option [Member] | Research and Development Expense [Member] |
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
(15,582)us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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5,812us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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1,115us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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10,134us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_ResearchAndDevelopmentExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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Non Employee Consultant Stock Option [Member] | General and Administrative Expense [Member] |
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Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
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Total stock-based compensation |
$ 0us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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$ 464us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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$ 0us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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$ 11,039us-gaap_ShareBasedCompensation / us-gaap_IncomeStatementLocationAxis = us-gaap_GeneralAndAdministrativeExpenseMember / us-gaap_OptionIndexedToIssuersEquityTypeAxis = clrb_NonEmployeeConsultantStockOptionMember
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