Note 10 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
May 31, 2026 |
May 31, 2025 |
May 31, 2026 |
May 31, 2025 |
Nov. 30, 2025 |
Nov. 30, 2024 |
|
| Standard Product Warranty, Term (Year) | 1 year | |||||
| Extended Product Warranty, Term (Year) | 5 years | 3 years | ||||
| Reserve for Returns, Discounts, and Allowances | $ 100 | $ 100 | ||||
| Royalty Expense, Net Adjustment | (300) | (300) | ||||
| Accounts Receivable, after Allowance for Credit Loss, Current | 4,437 | 4,437 | $ 10,840 | $ 2,600 | ||
| Accounts Receivable, Allowance for Credit Loss, Current | 300 | 300 | 100 | 300 | ||
| Contract with Customer, Liability | 354 | 354 | 521 | 1,808 | ||
| Contract with Customer, Liability, Revenue Recognized | 100 | $ 100 | 100 | $ 100 | ||
| Royalty Receivable [Member] | ||||||
| Accounts Receivable, after Allowance for Credit Loss, Current | $ 800 | $ 800 | $ 1,100 | $ 0 | ||