v3.26.1
Note 10 - Compensatory Equity Incentive Plan and Other Equity Incentives - Award Activity (Details) - $ / shares
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Options, outstanding (in shares) 720,619 553,689  
Options, outstanding, weighted average exercise price (in dollars per share) $ 2.1 $ 2.02  
Options, outstanding, weighted average remaining contract (Year) 9 years 2 months 12 days 7 years 2 months 12 days 5 years 4 months 24 days
Options, granted (in shares) 3,771,565 347,959  
Options, granted, weighted average exercise price (in dollars per share) $ 10.83 $ 2.23  
Options, exercised (in shares) (7,385) (133,078)  
Options, exercised, weighted average exercise price (in dollars per share) $ 1.69 $ 1.97  
Options, forfeited (in shares) (9,579) (47,951)  
Options, forfeited, weighted average exercise price (in dollars per share) $ 1.74 $ 2.47  
Options, outstanding (in shares) 4,475,220 720,619 553,689
Options, outstanding, weighted average exercise price (in dollars per share) $ 9.42 $ 2.1 $ 2.02
Options, exercisable (in shares) 355,696    
Options, exercisable, weighted average exercise price (in dollars per share) $ 1.99    
Options, exercisable, weighted average remaining contract (Year) 3 years 10 months 24 days    
Options, unexercisable (in shares) 4,119,524    
Options, unexercisable, weighted average remaining contract (Year) 9 years 8 months 12 days    
Options, outstanding (in shares) 4,475,220 720,619 553,689
Options, unexercisable, weighted average exercise price (in dollars per share)    
Restricted Stock Units (RSUs) [Member]      
Non-options, oustanding (in shares) 1,080,953 1,250,132  
Non-options, outstanding, remaining contract (Year) 1 year 7 months 6 days 9 months 18 days
Non-options, Granted (in shares) 564,031 234,615  
Granted, grant date fair values (in dollars per share) $ 9.88 $ 2.52  
Non-options, Exercised (in shares) (184,279) (365,199)  
Non-options, Cancelled/Forfeited (in shares) 0 (38,595)  
Non-options, outstanding (in shares) 1,460,705 1,080,953 1,250,132
Non-options, exercisable (in shares) 776,804    
Non-options, unexercisable (in shares) 683,901    
Non-options, unexercisable, remaining contract (Year) 2 years 2 months 12 days    
Non-options, oustanding (in shares) 1,460,705 1,080,953 1,250,132
Restricted Stock [Member]      
Non-options, oustanding (in shares) 121,912 161,540  
Non-options, outstanding, remaining contract (Year) 1 year 1 month 6 days 1 year 2 months 12 days 1 year 6 months
Non-options, Granted (in shares) 56,158 182,352  
Granted, grant date fair values (in dollars per share) $ 9.6 $ 1.97  
Non-options, Exercised (in shares) (123,522) (221,980)  
Non-options, Cancelled/Forfeited (in shares) 0 0  
Non-options, outstanding (in shares) 54,548 121,912 161,540
Non-options, exercisable (in shares) 0    
Non-options, unexercisable (in shares) 54,548    
Non-options, unexercisable, remaining contract (Year) 1 year 1 month 6 days    
Non-options, oustanding (in shares) 54,548 121,912 161,540