XML 59 R49.htm IDEA: XBRL DOCUMENT v3.22.1
Note 9 - Leases (Details Textual)
$ in Millions
3 Months Ended 6 Months Ended
Apr. 30, 2022
USD ($)
Apr. 30, 2022
USD ($)
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability $ 1.8 $ 8.4
Minimum [Member] | Office Leases [Member]    
Lessee, Operating Lease, Term of Contract (Year) 3 years 3 years
Maximum [Member] | Office Leases [Member]    
Lessee, Operating Lease, Term of Contract (Year) 5 years 5 years