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Note 8 - Revenue, Deferred Revenue and Accounts Receivable (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2023 | Nov. 30, 2022 | Nov. 30, 2021
Standard Product Warranty, Term (Year) | 1 year |  |
Extended Product Warranty, Term (Year) | 3 years |  |
Accounts Receivable, after Allowance for Credit Loss, Current, Total | $ 4,177 | $ 5,915 |
Contract With Customer, Liability, Revenue Recognized During Period | 1,300 | 800 | $ 1,100
Maximum [Member] |  |  |
Accounts Receivable, Allowance for Credit Loss, Ending Balance | $ 10 | $ 10 | $ 10

X
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