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v3.21.4

Note 19 - Quarterly Results of Operations (Unaudited) - Schedule of Quarterly Financial Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2021 | Jul. 31, 2021 | Apr. 30, 2021 | Jan. 31, 2021 | Oct. 31, 2020 | Jul. 31, 2020 | Apr. 30, 2020 | Jan. 31, 2020 | Oct. 31, 2021 | Oct. 31, 2020 | Oct. 31, 2019
Net sales | $ 15,883,847 | $ 15,634,760 | $ 15,741,114 | $ 11,876,573 | $ 13,887,407 | $ 13,639,169 | $ 14,863,428 | $ 12,887,396 | $ 59,136,294 | $ 55,277,400 | $ 71,324,446
Gross profit | 5,055,227 | 4,090,246 | 4,819,216 | 2,309,390 | 4,213,327 | 3,472,161 | 3,996,750 | 2,404,140 | 16,274,079 | 14,086,378 | 18,304,747
Selling, general and administrative expenses | 4,811,073 | 4,530,563 | 4,589,592 | 4,307,924 | 4,311,907 | 4,559,970 | 5,549,501 | 4,824,124 | 18,239,152 | 19,245,502 | 23,434,360
Income (loss) before income taxes | (3,876) | 5,376,535 | 3,391,775 | (2,173,816) | (403,360) | (1,428,838) | (1,684,130) | (2,586,855) | $ 6,590,618 | $ (6,103,183) | $ (5,675,126)
Income (loss), net | $ (5,930) | $ 5,372,767 | $ 3,385,159 | $ (2,141,480) | $ (406,325) | $ (1,433,830) | $ (1,689,181) | $ (2,591,888) |  |  |
Basic and diluted net income (loss) per share (in dollars per share) | $ 0.00 | $ 0.71 | $ 0.45 | $ (0.29) | $ (0.06) | $ (0.20) | $ (0.23) | $ (0.35) | $ 0.87 | $ (0.83) | $ (0.77)
Net income (loss) per share - basic and diluted (in dollars per share) | $ 0.00 | $ 0.71 | $ 0.45 | $ (0.29) | $ (0.06) | $ (0.20) | $ (0.23) | $ (0.35) | $ 0.87 | $ (0.83) | $ (0.77)

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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration