XML 33 R22.htm IDEA: XBRL DOCUMENT v3.10.0.1
Note 8 - Net Income (Loss) Per Share (Tables)
 9 Months Ended
Jul. 31, 2018
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three months ended
   
Nine months ended
  
   
July 31,
    
July 31,
  
   
2018
    
2017
    
2018
    
2017
  
Net income (loss) (numerator)
   $
438,353
     $
(295,160
 )   $
1,419,083
     $
(1,150,009
 )
Shares (denominator)
    
7,696,068
      
6,490,205
      
7,559,340
      
6,538,621
  
Basic and diluted net income (loss) per share
   $
0.06
     $
(0.05
 )   $
0.19
     $
(0.18
 )