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Note 7 - Revenue (Details) - Customer Concentration Risk [Member]	12 Months Ended
	May 31, 2025	May 31, 2024
Revenue from Contract with Customer Benchmark [Member] \| End User Customers [Member]
Percentage	70.00%	82.00%
Revenue, Product and Service Benchmark [Member] \| Distributors [Member]
Percentage	30.00%	18.00%

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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