Note 3 - Equity - Preferred Stock Redemption (Details) - USD ($)		3 Months Ended
		Sep. 30, 2023	Aug. 29, 2023
Price paid per share (in dollars per share)			$ 10.70
Remaining Amount Available for Future Preferred Redemption			$ 8,964,214
Series B Preferred Stock [Member]
Total number of shares redeemed (in shares)	[1]	0
Price paid per share (in dollars per share)	[1]	$ 10.70
Dollars Expended by Period under the Preferred Redemption	[1]	$ 0
Remaining Amount Available for Future Preferred Redemption	[1]	$ 8,964,214
Series B-1 Preferred Stock [Member]
Total number of shares redeemed (in shares)	[2]	0
Price paid per share (in dollars per share)	[2]	$ 10.70
Dollars Expended by Period under the Preferred Redemption	[2]	$ 0
Remaining Amount Available for Future Preferred Redemption	[2]	$ 8,964,214

[1] We close our books and records on the last calendar day of each month to align our financial closing with our business processes.

[2] We close our books and records on the last calendar day of each month to align our financial closing with our business processes.