v3.26.1
Note 8 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
Nov. 02, 2022
Jul. 27, 2022
Mar. 31, 2026
Dec. 31, 2025
Purchase Obligation     $ 19.3 $ 21.1
Himmelberg V. Vaxart, Inc. et al. [Member]        
Litigation Settlement, Amount Awarded to Other Party   $ 12.0    
Payments for Legal Settlements $ 2.0      
Reimbursable Purchase Agreement Commitment to Vendor [Member]        
Purchase Obligation     18.2 20.1
Cost-plus-fixed-fees Arrangement Under ATI-RRPV Contract [Member]        
Purchase Obligation     $ 19.6 $ 21.6