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Note 11 - Concentrations, Risks and Uncertainties (Details Textual) - USD ($)	3 Months Ended
	Aug. 31, 2025	Aug. 31, 2024
One Customer [Member]
Purchases From Customers	$ 143,747	$ 189,156
Revenue Benchmark [Member] \| Customer Concentration Risk [Member] \| One to Four Customers [Member]
Concentration Risk, Percentage	63.00%	76.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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