Note 3 - Equity - Shares Repurchase Program (Details) - USD ($)				3 Months Ended			6 Months Ended		55 Months Ended
		Dec. 31, 2023		Dec. 31, 2023		Sep. 30, 2023	Dec. 31, 2023		Dec. 31, 2023		Aug. 29, 2023
Total number of shares redeemed (in shares)		70,093					70,093
July 1, 2023 – September 30, 2023 (in shares)				22,012	[1]	155,025			2,122,703
Price paid per share (in dollars per share)											$ 10.7
July 1, 2023 – September 30, 2023 (in dollars per share)				$ 8.79	[1]	$ 8.53			$ 6.13
Dollars Expended by Period under the Preferred Redemption		$ 749,995		$ 749,995			$ 749,995		$ 749,995
Remaining Amount Available for Future Preferred Redemption		8,214,219		8,214,219			8,214,219		8,214,219		$ 8,964,214
July 1, 2023 – September 30, 2023		7,992,206		$ 7,992,206			7,992,206		7,992,206
Share Repurchase Program [Member]
July 1, 2023 – September 30, 2023 (in shares)				193,492	[1]	1,322,082
July 1, 2023 – September 30, 2023		$ 7,992,206	[1]	$ 7,992,206	[1]	$ 8,185,698	$ 7,992,206	[1]	$ 7,992,206	[1]
Series B-1 Preferred Stock [Member]
Total number of shares redeemed (in shares)	[2]			70,093
Price paid per share (in dollars per share)	[2]	$ 10.7		$ 10.7			$ 10.7		$ 10.7
Dollars Expended by Period under the Preferred Redemption	[2]	$ 749,995		$ 749,995			$ 749,995		$ 749,995
Remaining Amount Available for Future Preferred Redemption	[2]	$ 1,522,706		$ 1,522,706			$ 1,522,706		$ 1,522,706

[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.