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Note 17 - Sales and Service Revenue and Cost of Sales and Services - Breakdown of Major Customers (Details) - Customer Concentration Risk [Member] - Revenue from Contract with Customer Benchmark [Member]	12 Months Ended
	Jul. 31, 2025	Jul. 31, 2024
Customer A [Member]
Concentration	50.00%	0.00%
Customer B [Member]
Concentration	24.00%	0.00%
Customer C [Member]
Concentration	14.00%	0.00%
Customer D [Member]
Concentration	12.00%	0.00%
Customer E [Member]
Concentration	0.00%	100.00%
All Customers [Member]
Concentration	100.00%	100.00%

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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