XML 12 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover - shares
 3 Months Ended
Mar. 31, 2025
May 02, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Mar. 31, 2025  
Document Transition Report false  
Entity File Number 001-34207  
Entity Registrant Name Dynavax Technologies Corporation  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 33-0728374  
Entity Address, Address Line One 2100 Powell Street  
Entity Address, Address Line Two Suite 720  
Entity Address, City or Town Emeryville  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 94608  
City Area Code 510  
Local Phone Number 848-5100  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   120,080,650
Entity Central Index Key 0001029142  
Current Fiscal Year End Date --12-31  
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q1  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, $0.001 par value  
Trading Symbol DVAX  
Security Exchange Name NASDAQ  
Preferred Stock    
Document Information [Line Items]    
Title of 12(b) Security Preferred Share Purchase Rights  
No Trading Symbol Flag true  
Security Exchange Name NASDAQ