Note 11 - Other Income (Expense), Net - Summary of Other Income (Expense) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Aug. 31, 2022	Aug. 31, 2021	Aug. 31, 2022	Aug. 31, 2021
Interest income	$ 371	$ 80	$ 658	$ 338
Foreign exchange gain (loss)	423	906	264	(620)
Change in fair market value of marketable securities	(647)	(168)	66	316
Nonoperating Income (Expense), Total	$ 147	$ 818	$ 988	$ 34

Amount of unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount before tax of foreign currency transaction realized gain (loss) recognized in the income statement.

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-Name Accounting Standards Codification
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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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