Note 9 - Mortgage Loans Held for Sale (Details) - Loan Origination Reserves - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2016	Jan. 31, 2015
Loan Origination Reserves [Abstract]
Loan origination reserves, beginning of period	$ 8,025	$ 7,352
Provisions for losses during the period	41	61
Adjustments to pre-existing provisions for losses from changes in estimates	(38)	568
Loan origination reserves, end of period	$ 8,028	$ 7,981