Quarterly report pursuant to Section 13 or 15(d)

DOCUMENT AND ENTITY INFORMATION

v3.10.0.1
DOCUMENT AND ENTITY INFORMATION - shares
6 Months Ended
Jun. 30, 2018
Aug. 02, 2018
DOCUMENT AND ENTITY INFORMATION    
Entity Registrant Name RIGEL PHARMACEUTICALS INC  
Entity Central Index Key 0001034842  
Document Type 10-Q  
Document Period End Date Jun. 30, 2018  
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   166,443,442
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q2