Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.4.0.3
Document and Entity Information - shares
3 Months Ended
Mar. 31, 2016
Apr. 28, 2016
Document and Entity Information    
Entity Registrant Name RIGEL PHARMACEUTICALS INC  
Entity Central Index Key 0001034842  
Document Type 10-Q  
Document Period End Date Mar. 31, 2016  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   92,144,382
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q1