Note 10 - Business and Credit Concentrations (Details Textual) - Revenue Benchmark [Member] - Customer Concentration Risk [Member]	3 Months Ended		9 Months Ended
	Jul. 31, 2026	Jul. 31, 2025	Jul. 31, 2026	Jul. 31, 2025
Concentration Risk, Number of Customers	1			1
One Customer [Member]
Concentration Risk, Percentage	12.30%	20.50%	14.80%	19.40%
Concentration Risk, Number of Customers		1
Other Customer [Member]
Concentration Risk, Percentage	10.70%

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.