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Note 18 - Quarterly Results of Operations (Unaudited)
 12 Months Ended
Oct. 31, 2018
Notes to Financial Statements  
Quarterly Financial Information [Text Block]
(
18
)
Quarterly Results of Operations (Unaudited)
 
The following is a summary of the unaudited quarterly results of operations for the years ended
October 
31,
2018
and
2017:
 
   
Quarter ended
  
Fiscal year ended October 31, 2018
  
January 31
    
April 30
    
July 31
    
October 31
  
Net sales
   $
17,551,040
     $
26,887,689
     $
23,116,584
     $
20,273,277
  
Gross profit
    
5,228,820
      
8,956,275
      
7,026,542
      
6,661,563
  
Selling, general & administrative expenses
    
5,557,693
      
7,400,779
      
6,370,244
      
6,802,240
  
Income (loss) before income taxes
    
(449,620
 )    
1,406,570
      
455,813
      
(360,661
 )
Net income (loss)
    
(410,135
 )    
1,390,865
      
438,353
      
(350,330
 )
Basic and diluted net income (loss) per share
   $
(0.06
 )   $
0.18
     $
0.06
     $
(0.05
 )
 
   
Quarter ended
  
Fiscal year ended October 31, 2017
  
January 31
    
April 30
    
July 31
    
October 31
  
Net sales
   $
14,606,252
     $
15,847,473
     $
16,432,243
     $
17,206,880
  
Gross profit
    
4,810,399
      
5,663,039
      
5,305,787
      
5,018,702
  
Selling, general & administrative expenses
    
5,192,648
      
5,898,502
      
5,426,018
      
5,451,589
  
Loss before income taxes
    
(636,367
 )    
(231,270
 )    
(281,065
 )    
(595,507
 )
Net loss
    
(615,767
 )    
(239,082
 )    
(295,160
 )    
(588,762
 )
Basic and diluted net loss per share
   $
(0.09
 )   $
(0.04
 )   $
(0.05
 )   $
(0.09
 )