Note 15 - Equity Incentive Plans - Restricted Stock Activity (Details) - Restricted Stock [Member]	3 Months Ended
	Sep. 30, 2024 $ / shares shares
Unvested, shares (in shares) | shares	24,105
Unvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 100.34
Vested, shares (in shares) | shares	(5,924)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 16.84
Unvested, shares (in shares) | shares	18,181
Unvested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 127.54