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Consolidated Statements of Equity - 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, 2014 131,075,800 14,805,795 5,600        
Balance at Oct. 31, 2014 $ 1,428 $ 155 $ 135,299 $ 697,943 $ (837,264) $ (115,360) $ (117,799)
Stock options, amortization and issuances (in shares) 18,125           18,125
Stock options, amortization and issuances       723     $ 723
Restricted stock amortization, issuances and forfeitures (in shares) 438,093 179,386          
Restricted stock amortization, issuances and forfeitures $ 5 $ 2   5,085     5,092
Conversion of Class B to Class A common stock (in shares) 100 (100)          
Net income (loss)         (16,100)   (16,100)
Balance (in shares) at Oct. 31, 2015 131,532,118 14,985,081 5,600        
Balance at Oct. 31, 2015 $ 1,433 $ 157 $ 135,299 703,751 (853,364) (115,360) $ (128,084)
Stock options, amortization and issuances (in shares)          
Stock options, amortization and issuances       (1,502)     $ (1,502)
Restricted stock amortization, issuances and forfeitures (in shares) 445,522 334,352          
Restricted stock amortization, issuances and forfeitures $ 4 $ 3   3,888     3,895
Conversion of Class B to Class A common stock (in shares) 68,372 (68,372)          
Net income (loss)         (2,819)   (2,819)
Conversion of Class B to Class A common stock $ 1 $ (1)          
Balance (in shares) at Oct. 31, 2016 132,046,012 15,251,061 5,600        
Balance at Oct. 31, 2016 $ 1,438 $ 159 $ 135,299 706,137 (856,183) (115,360) $ (128,510)
Stock options, amortization and issuances (in shares) 48,250           48,250
Stock options, amortization and issuances       556     $ 556
Restricted stock amortization, issuances and forfeitures (in shares) 188,548 59,046          
Restricted stock amortization, issuances and forfeitures $ 2 $ 1   (227)     (224)
Conversion of Class B to Class A common stock (in shares) 2,500 (2,500)          
Net income (loss)         (332,193)   (332,193)
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)