|
STOCK-BASED COMPENSATION (Details) (USD $)
|
12 Months Ended |
|
Dec. 31, 2014
|
Dec. 31, 2013
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
$ 850,350us-gaap_ShareBasedCompensation
|
$ 2,323,233us-gaap_ShareBasedCompensation
|
| Employee and Director Stock Option Grants [Member] |
|
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
844,082us-gaap_ShareBasedCompensation
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
2,290,147us-gaap_ShareBasedCompensation
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
| Employee and Director Stock Option Grants [Member] | Research and Development [Member] |
|
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
174,666us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
355,012us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
| Employee and Director Stock Option Grants [Member] | General and Administrative [Member] |
|
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
621,563us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
1,229,617us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
| Employee and Director Stock Option Grants [Member] | Restructuring Costs [Member] |
|
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
47,853us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= clrb_RestructuringCostsMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
705,518us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= clrb_RestructuringCostsMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_EmployeeAndDirectorStockOptionMember
|
| Non Employee Consultant Stock Option Grants [Member] |
|
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
6,268us-gaap_ShareBasedCompensation
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_NonEmployeeConsultantStockOptionMember
|
33,086us-gaap_ShareBasedCompensation
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_NonEmployeeConsultantStockOptionMember
|
| Non Employee Consultant Stock Option Grants [Member] | Research and Development [Member] |
|
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
6,268us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_NonEmployeeConsultantStockOptionMember
|
21,516us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_NonEmployeeConsultantStockOptionMember
|
| Non Employee Consultant Stock Option Grants [Member] | General and Administrative [Member] |
|
|
| Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Line Items] |
|
|
| Total stock-based compensation |
$ 0us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_NonEmployeeConsultantStockOptionMember
|
$ 11,570us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_GeneralAndAdministrativeExpenseMember
/ us-gaap_OptionIndexedToIssuersEquityTypeAxis
= clrb_NonEmployeeConsultantStockOptionMember
|