Annual report pursuant to Section 13 and 15(d)

NATURE OF BUSINESS, ORGANIZATION AND GOING CONCERN (Details Textual)

v2.4.1.9
NATURE OF BUSINESS, ORGANIZATION AND GOING CONCERN (Details Textual) (USD $)
12 Months Ended 1 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Aug. 20, 2014
Feb. 06, 2014
Feb. 20, 2014
Net Income (Loss) Attributable to Parent, Total $ (8,052,102)us-gaap_NetIncomeLoss $ (10,782,168)us-gaap_NetIncomeLoss      
Accumulated deficit (59,111,670)us-gaap_RetainedEarningsAccumulatedDeficit (51,059,568)us-gaap_RetainedEarningsAccumulatedDeficit      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 6,604,096us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights       275,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 10.00us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
February 2014 Private Placement [Member]          
Gross Proceeds From Convertible Debt And Warrants       4,000,000clrb_GrossProceedsFromConvertibleDebtAndWarrants
/ clrb_PrivatePlacementAxis
= clrb_February2014PrivatePlacementMember
 
Proceeds from Issuance of Warrants     $ 13,475,832us-gaap_ProceedsFromIssuanceOfWarrants
/ clrb_PrivatePlacementAxis
= clrb_February2014PrivatePlacementMember
   
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     1,109,960us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
/ clrb_PrivatePlacementAxis
= clrb_February2014PrivatePlacementMember
   
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 4.68us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ clrb_PrivatePlacementAxis
= clrb_February2014PrivatePlacementMember