Note 15 - Income Taxes (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Income Tax Expense (Benefit)	$ (1,017)	$ (9,143)	$ (551)	$ (6,164)
Deferred Tax Assets, Valuation Allowance	628,000		628,000
Interest Reduction, Amount Per Year			20,000
Required Minimum Taxable Income	275,000		275,000
State and Local Jurisdiction [Member]
Income Tax Expense (Benefit)	2,292	$ (758)	2,274	$ 3,561
State and Local Jurisdiction [Member] | Between 2017 and 2036 [Member]
Operating Loss Carryforwards	2,200,000		2,200,000
State and Local Jurisdiction [Member] | Between 2017 and 2021 [Member]
Operating Loss Carryforwards	301,700		301,700
State and Local Jurisdiction [Member] | Between 2022 and 2026 [Member]
Operating Loss Carryforwards	253,900		253,900
State and Local Jurisdiction [Member] | Between 2027 and 2031 [Member]
Operating Loss Carryforwards	1,327,300		1,327,300
State and Local Jurisdiction [Member] | Between 2032 and 2036 [Member]
Operating Loss Carryforwards	$ 348,000		$ 348,000