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Note 13 - Equity - Schedule of Restricted Stock Units (Details) - Share-Based Payment Arrangement, Nonemployee [Member] - $ / shares
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Granted (in shares) 98,192  
Vested and issued (in shares) (16,480)  
Forfeited (in shares) (16,873)  
Outstanding (in shares) 906,155  
Restricted Stock [Member]    
Outstanding (in shares)   837,424
Granted (in shares)   13,249
Restricted Stock Units (RSUs) [Member]    
Outstanding (in shares) 841,316  
Outstanding (in dollars per share) $ 5.34 $ 5.36
Granted (in dollars per share) 5.54 $ 6.35
Vested and issued (in shares)   (9,357)
Vested and issued (in dollars per share) 6.36 $ 8.74
Forfeited (in shares)   0
Forfeited (in dollars per share) 5.35 $ 0
Outstanding (in shares)   841,316
Outstanding (in dollars per share) $ 5.34 $ 5.34