Note 3 - Equity - Schedule of Warrants (Details)	6 Months Ended
	Dec. 31, 2023 $ / shares shares
Class of Warrant or Right, Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.13
Class of Warrant or Right, Outstanding (in shares) | shares	1,108,805
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year)	2 years 1 month 6 days
Class of Warrant or Right, Warrants, Exercisable, Number (in shares) | shares	1,108,805
Class of Warrant or Right, Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4.13
Exercise Price, Four Dollars, Minimum [Member]
Class of Warrant or Right, Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4
Class of Warrant or Right, Outstanding (in shares) | shares	1,085,068
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year)	2 years 1 month 6 days
Class of Warrant or Right, Warrants, Exercisable, Number (in shares) | shares	1,085,068
Class of Warrant or Right, Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 4
Exercise Price, Ten Dollars, Maximum [Member]
Class of Warrant or Right, Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 10
Class of Warrant or Right, Outstanding (in shares) | shares	23,737
Class of Warrant or Right, Weighted Average Remaining Contractual Term (Year)	2 years 25 days
Class of Warrant or Right, Warrants, Exercisable, Number (in shares) | shares	23,737
Class of Warrant or Right, Exercisable, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 10