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Note 12 - Concentrations, Risks and Uncertainties (Details Textual) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]	9 Months Ended		33 Months Ended
	Feb. 28, 2026	Feb. 28, 2025	Feb. 28, 2025
Number of Customers	2	2
Two Customers [Member]
Total Loss on Revenue, Percentage	60.00%	71.00%
Major Customer Lost [Member]
Total Loss on Revenue, Percentage	54.00%		57.00%

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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