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Note 11 - Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
 3 Months Ended 12 Months Ended
Oct. 31, 2025
Jul. 31, 2025
Apr. 30, 2025
Jan. 31, 2025
Oct. 31, 2024
Jul. 31, 2024
Apr. 30, 2024
Jan. 31, 2024
Oct. 31, 2025
Oct. 31, 2024
Net sales $ 19,828,929 $ 19,916,919 $ 17,549,748 $ 15,742,617 $ 19,485,565 $ 16,221,671 $ 16,112,098 $ 14,854,765 $ 73,038,213 $ 66,674,099
Cost of goods sold                 50,439,277 48,469,327
Employee related expenses                 15,156,256 14,540,632
Shipping expenses                 1,951,899 1,565,897
Travel and entertainment expenses                 690,327 610,097
Professional fees and expenses                 761,950 581,837
Other (1) [1]                 4,488,836 4,282,596
Loss from operations 268,748 562,474 (429,202) (852,352) 662,088 (1,337,553) (1,301,137) (1,399,685) (450,332) (3,376,287)
Interest expense                 (1,005,276) (1,166,630)
Gain on insurance proceeds, net                 0 304,307
Other, net                 31,051 49,101
Other expense, net                 (974,225) (813,222)
Loss before income taxes 47,597 306,354 (683,144) (1,095,364) 373,175 (1,550,370) (1,594,119) (1,418,195) (1,424,557) (4,189,509)
Income tax expense                 (30,297) (20,702)
Net loss $ 48,613 $ 301,886 $ (697,922) $ (1,107,431) $ 373,462 $ (1,557,053) $ (1,601,346) $ (1,425,274) $ (1,454,854) $ (4,210,211)
[1] (1) Other is comprised of other segment SG&A expenses including certain public company expenses, corporate insurance premiums not included in employee related expenses, marketing expenses, certain office and manufacturing facility expenses and all other SG&A expenses not individually set forth in the table above, as well as royalty expense, net and amortization of intangible assets.