Note 10 - Business and Credit Concentrations (Details Textual) - Customer Concentration Risk [Member] - Revenue Benchmark [Member]	3 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
Concentration Risk, Number of Customers	1	1
One Customer [Member]
Concentration Risk, Percentage	15.90%	14.50%

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.