Note 12 - Stockholder's Equity - Restricted Stock Outstanding (Details) - Restricted Stock [Member]	3 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares
Balance (in shares) | shares	0
Balance (in dollars per share) | $ / shares	$ 0
Balance | $	$ 0
Granted – restricted stock awards (in shares) | shares	277,037
Granted – restricted stock awards (in dollars per share) | $ / shares	$ 1.35
Granted – restricted stock awards | $	$ 374,000
Vested (in shares) | shares	0
Vested (in dollars per share) | $ / shares	$ 0
Vested | $	$ 0
Canceled (in shares) | shares	0
Canceled (in dollars per share) | $ / shares	$ 0
Canceled | $	$ 0
Balance (in shares) | shares	277,037
Balance (in dollars per share) | $ / shares	$ 1.35
Balance | $	$ 374,000