Note 13 - Related Party Transactions (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2026 |
Aug. 31, 2025 |
Nov. 30, 2025 |
Feb. 28, 2025 |
|
| Revenue from Contract with Customer, Including Assessed Tax | $ 5,616,000 | $ 6,432,000 | $ 20,109,000 | $ 17,910,000 | ||
| Accrued Liabilities, Current | 1,123,886 | 1,123,886 | $ 1,327,569 | |||
| Related Party [Member] | ||||||
| Revenue from Contract with Customer, Including Assessed Tax | 0 | 0 | 0 | 0 | ||
| Accounts Receivable, after Allowance for Credit Loss | 0 | 0 | $ 0 | |||
| Costs and Expenses | 3,073 | 3,267 | 9,188 | 9,796 | ||
| Accrued Liabilities, Current | $ 1,003 | $ 1,094 | $ 1,003 | $ 1,094 | ||
| X | ||||||||||
- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Total costs of sales and operating expenses for the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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