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STOCK-BASED COMPENSATION (Tables)
12 Months Ended
Oct. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
   

 Number Of

Shares

   

Weighted Average

Exercise Price

 
Outstanding, November 1, 2014     71,533     $ 39.24  
Granted     55,070     $ 4.44  
Forfeited     (14,188 )   $ 31.98  
Expired     (15,834 )   $ 61.08  
Outstanding, October 31, 2015     96,581     $ 16.92  
Granted     347,010     $ 4.84  
Forfeited     (12,258 )   $ 36.97  
Exercised     (31,657 )   $ 4.08  
Expired     (17,656 )   $ 30.72  
Outstanding, October 31, 2016     382,020     $ 5.73  
Options exercisable, October 31, 2016     205,941     $ 6.50  
Weighted-average grant date fair value of options granted during the year           $ 3.38  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    October 31,  
    2016     2015  
Risk free annual interest rate     1.0-1.7 %     1.4 %
Expected volatility     77-79 %     80 %
Expected life   2.75-5.00 years     4.77 years  
Assumed dividends   None     None  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
    Number of shares     Weighted-Average Grant-Date Fair Value  
Unvested, January 1, 2015     21,040     $ 28.56  
Granted     339,813     $ 6.66  
Vested     (113,482 )   $ 8.88  
Forfeited     (16,572 )   $ 7.98  
Unvested, December 31, 2015     230,799     $ 7.47  
Granted     356,666     $ 5.14  
Vested     (312,636 )   $ 6.10  
Unvested, December 31, 2016     274,829     $ 6.00