v3.26.1
Note 15 - Subsequent Events (Details Textual) - Subsequent Event [Member] - USD ($)
$ / shares in Units, $ in Millions
Feb. 10, 2026
Mar. 10, 2026
The 2024 ATI-RRPV Contract [Member] | Government Contract [Member]    
Government Contract, Award Amount, Allotted and Available   $ 316
Sanofi [Member] | Sanofi Merger With Dynavax [Member]    
Business Combination, Price Per Share (in dollars per share) $ 15.5  
Business Combination, Consideration Transferred $ 2,200  
Business Combination, Voting Equity Interest Acquired, Percentage 73.92%