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Note 19 - Quarterly Results of Operations (Unaudited) (Tables)
 12 Months Ended
Oct. 31, 2021
Notes Tables  
Quarterly Financial Information [Table Text Block]
  

Quarter ended

 

Fiscal year ended October 31, 2021

 

January 31

  

April 30

  

July 31

  

October 31

 

Net sales

 $11,876,573  $15,741,114  $15,634,760  $15,883,847 

Gross profit

  2,309,390   4,819,216   4,090,246   5,055,227 

Selling, general & administrative expenses

  4,307,924   4,589,592   4,530,563   4,811,073 

Income (loss) before income taxes

  (2,173,816)  3,391,775   5,376,535   (3,876)

Net income (loss)

  (2,141,480)  3,385,159   5,372,767   (5,930)

Basic and diluted net income (loss) per share

 $(0.29) $0.45  $0.71  $0.00 
  

Quarter ended

 

Fiscal year ended October 31, 2020

 

January 31

  

April 30

  

July 31

  

October 31

 

Net sales

 $12,887,396  $14,863,428  $13,639,169  $13,887,407 

Gross profit

  2,404,140   3,996,750   3,472,161   4,213,327 

Selling, general & administrative expenses

  4,824,124   5,549,501   4,559,970   4,311,907 

Loss before income taxes

  (2,586,855)  (1,684,130)  (1,428,838)  (403,360)

Net loss

  (2,591,888)  (1,689,181)  (1,433,830)  (406,325)

Basic and diluted net loss per share

 $(0.35) $(0.23) $(0.20) $(0.06)