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Note 10 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) - USD ($) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Feb. 28, 2025 | Nov. 30, 2024 | Feb. 29, 2024 | Nov. 30, 2023
Standard Product Warranty, Term (Year) | 1 year |  |  |
Extended Product Warranty, Term (Year) | 3 years |  |  |
Accounts Receivable, after Allowance for Credit Loss, Current | $ 2,900 | $ 2,630 |  | $ 2,900
Accounts Receivable, Allowance for Credit Loss, Current | 100 | 300 |  | 600
Contract with Customer, Liability | $ 494 | $ 1,808 | $ 2,700 | $ 1,936

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