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Note 3 - Equity - Schedule of Restricted Stock Units (Details) - Share-Based Payment Arrangement, Nonemployee [Member] - $ / shares
3 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Granted (in shares) 13,010  
Restricted Stock [Member]    
Outstanding (in shares) 907,451  
Outstanding, weighted average grant date fair value (in dollars per share)   $ 5.30
Restricted Stock Units (RSUs) [Member]    
Granted, weighted average grant date fair value (in dollars per share)   9.99
Vested and issued (in shares) 0  
Vested and issued, weighted average grant date fair value (in dollars per share)   0
Forfeited (in shares) 0  
Forfeited, weighted average grant date fair value (in dollars per share)   0
Outstanding (in shares) 920,461  
Outstanding, weighted average grant date fair value (in dollars per share)   $ 5.36