v3.26.3
Note 9 - Revenue From Government Contract (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Revenue from Contract with Customer, Including Assessed Tax $ 0 $ 852,282 $ 0 $ 2,489,145 $ 2,489,145 $ 3,954,576
Grant [Member] | BARDA Contract [Member]            
Revenue from Contract with Customer, Including Assessed Tax         $ 2,489,145 $ 3,954,546