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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended 6 Months Ended
Apr. 30, 2020
Apr. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Net sales $ 14,863,428 $ 18,957,175 $ 27,750,824 $ 35,707,843
Cost of goods sold 10,866,678 13,648,041 21,349,934 26,836,150
Gross profit 3,996,750 5,309,134 6,400,890 8,871,693
Selling, general and administrative expenses 5,549,501 5,776,814 10,373,625 12,550,459
Royalty (income) expense, net (2,527) (1,706) 15,031 (1,488)
Amortization of intangible assets 10,176 9,482 20,167 18,897
Loss from operations (1,560,400) (475,456) (4,007,933) (3,696,175)
Other expense, net:        
Interest expense (124,786) (129,291) (261,473) (246,171)
Other, net 1,056 (7,438) (1,579) (7,280)
Other expense, net (123,730) (136,729) (263,052) (253,451)
Loss before income taxes (1,684,130) (612,185) (4,270,985) (3,949,626)
Income tax expense (benefit) 5,051 5,240 10,084 (22,181)
Net loss $ (1,689,181) $ (617,425) $ (4,281,069) $ (3,927,445)
Net loss per share: Basic and diluted (in dollars per share) $ (0.23) $ (0.08) $ (0.58) $ (0.53)