Note 3 - Equity - Schedule of Restricted Stock Units (Details) - Share-Based Payment Arrangement, Nonemployee [Member]	3 Months Ended
	Sep. 30, 2022 $ / shares shares
Restricted Stock [Member]
Outstanding (in shares) | shares	906,155
Granted (in shares) | shares	50,000
Restricted Stock Units (RSUs) [Member]
Outstanding (in dollars per share) | $ / shares	$ 5.34
Granted (in dollars per share) | $ / shares	$ 4.82
Vested and issued (in shares) | shares	(4,950)
Vested and issued (in dollars per share) | $ / shares	$ 6.06
Forfeited (in shares) | shares	0
Forfeited (in dollars per share) | $ / shares	$ 0
Outstanding (in shares) | shares	951,205
Outstanding (in dollars per share) | $ / shares	$ 5.31