Note 9 - Leases (Details Textual) $ in Millions |
9 Months Ended |
---|---|
Jul. 31, 2020
USD ($)
| |
Increase (Decrease) in Operating Lease, Right-of-Use Asset | $ 1 |
Minimum [Member] | Office Leases [Member] | |
Lessee, Operating Lease, Term of Contract (Year) | 3 years |
Maximum [Member] | Office Leases [Member] | |
Lessee, Operating Lease, Term of Contract (Year) | 5 years |