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Note 8 - Net Loss Per Share (Tables)
 6 Months Ended
Apr. 30, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Three months ended
 
 
Six months ended
 
 
 
April 30,
 
 
April 30,
 
 
 
2017
 
 
2016
 
 
2017
 
 
2016
 
Net loss attributable to OCC (numerator)
   $
(239,082
 )   $
(983,122
 )   $
(854,849
 )   $
(2,728,143
 )
                                 
Shares (denominator)
    
6,488,328
     
6,357,067
     
6,520,582
     
6,346,871
 
                                 
Basic and diluted net loss per share
   $
(0.04
 )   $
(0.15
 )   $
(0.13
 )   $
(0.43
 )