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INCOME TAXES (Details 2)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Effective Income Tax Rate Reconciliation [Line Items]
Income tax benefit using U.S. federal statutory rate	34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	34.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State income taxes	(6.65%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	(0.82%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Permanent items	9.62%clrb_EffectiveIncomeTaxRateReconciliationPermanentAdjustment	5.10%clrb_EffectiveIncomeTaxRateReconciliationPermanentAdjustment
Change in valuation allowance	(37.98%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	(42.40%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Other	1.01%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments	4.12%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Total	0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations	0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations

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Represents effective income tax rate reconciliation permanent adjustment during the reporting period.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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