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Note 14 - Net Loss Per Share (Tables)
 12 Months Ended
Oct. 31, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Years ended October 31,
  
   
2017
    
2016
    
2015
  
Net loss attributable to OCC (numerator)
   $
(1,738,771
 )   $
(1,778,822
 )   $
(4,255,665
 )
Shares (denominator)
    
6,546,862
      
6,443,162
      
6,201,478
  
Basic and diluted net loss per share
   $
(0.27
 )   $
(0.28
 )   $
(0.69
 )