Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.20.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2020
Aug. 06, 2020
Document and Entity Information [Abstract]    
Document Type 10-Q  
Document Period End Date Jun. 30, 2020  
Entity Registrant Name Cellectar Biosciences, Inc.  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Trading Symbol CLRB  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   26,626,633
Entity Central Index Key 0001279704  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Amendment Flag false