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Note 8 - Net Income (Loss) Per Share (Tables)
 9 Months Ended
Jul. 31, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
Three months ended
 
 
Nine months ended
 
 
 
July 31,
 
 
July 31,
 
 
 
2017
 
 
2016
 
 
2017
 
 
2016
 
Net income (loss) attributable to OCC (numerator)
   $
(295,160
 )   $
188,163
    $
(1,150,009
 )   $
(2,539,980
 )
Shares (denominator)
    
6,490,205
     
7,115,389
     
6,538,621
     
6,403,352
 
Basic and diluted net income (loss) per share
   $
(0.05
 )   $
0.03
    $
(0.18
 )   $
(0.40
 )