v3.26.1
Note 10 - Noncontrolling Interest - Clyra Medical - Common Shares Outstanding (Details) - Clyra Medical [Member] - $ / shares
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Options outstanding, balance (in shares) 1,976,863 1,478,921
Weighted average exercise price, balance (in dollars per share) $ 1.12 $ 0.31
Options outstanding, Granted (in shares) 1,036,829 497,942
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) $ 4.41 $ 0.85
Options outstanding, balance (in shares) 3,013,692 1,976,863
Weighted average exercise price, balance (in dollars per share) $ 2.17 $ 1.12
Weighted average remaining term, Balance (Year) 7 years 3 months 18 days  
Options outstanding, Non-vested (in shares) (854,685)  
Weighted average price, Non-vested (in dollars per share) $ 3.97  
Options outstanding, Vested (in shares) 2,159,007  
Weighted average exercise price, Vested (in dollars per share) $ 1.46  
Weighted average remaining term, Vested Balance (Year) 8 years 7 months 6 days