Condensed Consolidated Statement of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member] Common Class A [Member]	Common Stock [Member] Common Class B [Member]	Preferred Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance (in shares) at Oct. 31, 2017	132,285,310	15,307,607	5,600
Balance at Oct. 31, 2017	$ 1,440	$ 160	$ 135,299	$ 706,466	$ (1,188,376)	$ (115,360)	$ (460,371)
Stock options, amortization and issuances				210			210
Restricted stock amortization, issuances and forfeitures (in shares)	332,264	164,316
Restricted stock amortization, issuances and forfeitures	$ 4	$ 2		(225)			(219)
Conversion of Class B to Class A common stock (in shares)	1,441	(1,441)
Conversion of Class B to Class A common stock
Net (loss)					(30,809)		(30,809)
Balance (in shares) at Jan. 31, 2018	132,643,015	15,470,482	5,600
Balance at Jan. 31, 2018	$ 1,444	$ 162	$ 135,299	706,451	(1,219,185)	(115,360)	(491,189)
Stock options, amortization and issuances (in shares)	24,000
Balance (in shares) at Oct. 31, 2018	132,835,722	15,550,099	5,600
Balance at Oct. 31, 2018	$ 1,446	$ 162	$ 135,299	708,805	(1,183,856)	(115,360)	(453,504)
Stock options, amortization and issuances				107			107
Restricted stock amortization, issuances and forfeitures (in shares)	70,704	23,044
Restricted stock amortization, issuances and forfeitures	$ 1			484			485
Conversion of Class B to Class A common stock (in shares)	500	(500)
Conversion of Class B to Class A common stock
Net (loss)					(17,452)		(17,452)
Balance (in shares) at Jan. 31, 2019	132,906,926	15,572,643	5,600
Balance at Jan. 31, 2019	$ 1,447	$ 162	$ 135,299	$ 709,396	$ (1,201,308)	$ (115,360)	$ (470,364)