Quarterly report pursuant to Section 13 or 15(d)

DOCUMENT AND ENTITY INFORMATION

v3.20.1
DOCUMENT AND ENTITY INFORMATION - shares
3 Months Ended
Mar. 31, 2020
May 01, 2020
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, 2020  
Amendment Flag false  
Entity Small Business true  
Entity Emerging Growth Company false  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Filer Category Accelerated Filer  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   168,569,525
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1