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Note 10 - Revenue, Deferred Revenue and Accounts Receivable (Tables) | 9 Months Ended
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Aug. 31, 2025
Notes Tables |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | August 31, |  |  | November 30, |
|  | 2025 |  |  | 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 |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | August 31, |  |  | August 31, |
Distribution channel |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Wholesale (dealer/distributors) |  | $ | 11,530 |  |  | $ | 4,781 |  |  | $ | 29,653 |  |  | $ | 13,512 |
E-commerce (direct to consumers) |  |  | 16,335 |  |  |  | 16,073 |  |  |  | 52,096 |  |  |  | 44,265 |
Royalties |  |  | 314 |  |  |  | — |  |  |  | 1,125 |  |  |  | — |
Total |  | $ | 28,179 |  |  | $ | 20,854 |  |  | $ | 82,874 |  |  | $ | 57,777 |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | August 31, |  |  | August 31, |
Revenue type |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Product |  | $ | 27,865 |  |  | $ | 20,854 |  |  | $ | 81,749 |  |  | $ | 57,777 |
Royalties |  |  | 314 |  |  |  | — |  |  |  | 1,125 |  |  |  | — |
Total |  | $ | 28,179 |  |  | $ | 20,854 |  |  | $ | 82,874 |  |  | $ | 57,777 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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