v2.4.0.6
Document and Entity Information
3 Months Ended
Mar. 31, 2013
May 03, 2013
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2013  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1  
Trading Symbol DVAX  
Entity Registrant Name DYNAVAX TECHNOLOGIES CORP  
Entity Central Index Key 0001029142  
Current Fiscal Year End Date --12-31  
Entity Filer Category Accelerated Filer  
Entity Common Stock, Shares Outstanding   182,891,013