v3.26.1
Note 11 - Stockholders' Equity (Deficit) - Schedule of Share-Based Compensation (Details) - USD ($)
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Outstanding, Shares (in shares) 102,879  
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 39.98  
Outstanding, Weighted-Average Remaining Contractual Term (Year) 6 years 11 months 12 days 8 years 3 months 3 days
Outstanding, Aggregate Intrinsic Value $ 0 $ 0
Granted, Shares (in shares) 0  
Granted, Weighted Average Exercise Price (in dollars per share) $ 0  
Granted, Aggregate Intrinsic Value $ 0  
Forfeitures, Shares (in shares) (60,668)  
Forfeitures, Weighted Average Exercise Price (in dollars per share) $ 33.73  
Forfeitures, Aggregate Intrinsic Value $ 0  
Outstanding, Shares (in shares) 42,211 102,879
Outstanding, Weighted Average Exercise Price (in dollars per share) $ 48.95 $ 39.98
Vested/Exercisable, Shares (in shares) 28,295  
Vested/Exercisable, Weighted Average Exercise Price (in dollars per share) $ 57.22  
Vested/Exercisable, Weighted-Average Remaining Contractual Term (Year) 6 years 5 months 4 days  
Vested/Exercisable, Aggregate Intrinsic Value $ 0