Document And Entity Information
Oct. 02, 2019
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 02, 2019
Entity Registrant Name Dynavax Technologies Corp
Entity Central Index Key 0001029142
Entity Emerging Growth Company false
Entity File Number 001-34207
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 900
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
Title of 12(b) Security Common Stock, $0.001 par value
Trading Symbol DVAX
Security Exchange Name NASDAQ