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Document and Entity Information
Jan. 26, 2025
Document And Entity Information [Line Items]  
Entity Registrant Name DYNAVAX TECHNOLOGIES CORP
Amendment Flag false
Entity Central Index Key 0001029142
Document Type 8-K
Document Period End Date Jan. 26, 2025
Entity Incorporation State Country Code DE
Entity File Number 001-34207
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
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, $0.001 par value
Trading Symbol DVAX
Security Exchange Name NASDAQ
Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Preferred Share Purchase Rights
Security Exchange Name NASDAQ