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Note 2 - Significant Accounting Policies - Schedule of Earnings Per Share (Details) - USD ($)	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Net income applicable to common shareholders	$ 1,760,712	$ 1,557,273
Weighted average shares, basic (in shares)	18,288,000	18,244,000
Warrants to purchase Common Stock (in shares)	842,000	858,000
Weighted average shares, diluted (in shares)	19,130,000	19,102,000
Basic (in dollars per share)	$ 0.1	$ 0.09
Diluted (in dollars per share)	$ 0.09	$ 0.08

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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