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Consolidated Statements of Operations - USD ($)
 12 Months Ended
Oct. 31, 2020
Oct. 31, 2019
Oct. 31, 2018
Net sales $ 55,277,400 $ 71,324,446 $ 87,828,590
Cost of goods sold 41,191,022 53,019,699 59,955,390
Gross profit 14,086,378 18,304,747 27,873,200
Selling, general and administrative expenses 19,245,502 23,434,360 26,130,956
Royalty (income) expense, net 331,934 (6,510) (32,898)
Amortization of intangible assets 42,006 38,598 34,768
Income (loss) from operations (5,533,064) (5,161,701) 1,740,374
Other expense, net:      
Interest expense (569,812) (521,142) (608,417)
Other, net (307) 7,717 (79,855)
Other expense, net (570,119) (513,425) (688,272)
Income (loss) before income taxes (6,103,183) (5,675,126) 1,052,102
Income tax expense (benefit) 18,041 (5,805) (16,651)
Net income (loss) $ (6,121,224) $ (5,669,321) $ 1,068,753
Net income (loss) per share - basic and diluted (in dollars per share) $ (0.83) $ (0.77) $ 0.14