Note 5 - Stockholders' Equity - Schedule of Option Activity (Details) - $ / shares		3 Months Ended
	Oct. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Balance (in shares)		450,000	250,000
Balance, weighted average exercise price (in dollars per share)		$ 0.65	$ 1.1
Granted during the period (in shares)	200,000	0	0
Granted during the period, weighted average exercise price (in dollars per share)	$ 0.65	$ 0	$ 0
Exercised during the period (in shares)		0	0
Exercised during the period, weighted average exercise price (in dollars per share)		$ 0	$ 0
Cancelled during the period (in shares)		0	0
Cancelled during the period, weighted average exercise price (in dollars per share)		$ 0	$ 0
Balance (in shares)		450,000	250,000
Balance, weighted average exercise price (in dollars per share)		$ 0.65	$ 1.1