Note 10 - Revenue, Deferred Revenue and Accounts Receivable - Summary of Changes in Deferred Revenue (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Aug. 31, 2025 |
Nov. 30, 2024 |
|
| Deferred revenue balance, beginning of period | $ 1,808 | $ 1,936 |
| Net additions to deferred revenue during the period | 49,413 | 66,120 |
| Reductions in deferred revenue for revenue recognized during the period | (50,932) | (66,248) |
| Deferred revenue balance, end of period | 289 | 1,808 |
| Less current portion | 249 | 1,791 |
| Deferred revenue, non-current | $ 40 | $ 17 |
| X | ||||||||||
- Definition Amount of additions to obligation to transfer good or service to customer for which consideration from customer has been received or is due. No definition available.
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| X | ||||||||||
- Definition Amount of revenue recognized during period for which consideration from customer has been received or is due. No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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