Note 2 - Earning (Loss) Per Share - Schedule of Basic and Diluted Earnings Per Share (Details) - USD ($)	3 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
Net income (loss) attributable to common stockholders	$ (1,099,022)	$ 187,372
Basic (in shares)	27,278,050	28,279,701
Basic (in dollars per share)	$ (0.04)	$ 0.01
Weighted-average shares outstanding - basic (in shares)	27,278,050	28,279,701
Incremental shares from assumed conversion of options warrants and preferred stock, as appropriate (in shares)	496,055	496,295
Weighted average common stock outstanding - diluted (in shares)	27,774,105	28,775,996
Diluted (in dollars per share)	$ (0.04)	$ 0.01

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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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

+ References

+ Details

GREYSTONE LOGISTICS, INC. 10-Q