v3.26.3
Note 2 - Concentrations of Credit Risk - Schedule of Customer Concentration (Details) - Customer Concentration Risk [Member]
3 Months Ended 9 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Revenue Benchmark [Member] | Aerospace Customer [Member]        
Customer 11.00% 15.00% 12.00% 0.00%
Revenue Benchmark [Member] | Wireless Provider A [Member]        
Customer 0.00% 11.00% 0.00% 0.00%
Accounts Receivable [Member] | Aerospace Customer [Member]        
Customer 16.00% 22.00% 16.00% 22.00%
Accounts Receivable [Member] | Wireless Provider A [Member]        
Customer 0.00% 17.00% 0.00% 17.00%
Accounts Receivable [Member] | Wireless Provider B [Member]        
Customer 17.00% 0.00% 17.00% 0.00%