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v3.25.2

Note 3 - Financial Instruments and Investments (Details Textual) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Aug. 30, 2025 | Nov. 30, 2024
Short-Term Investments | $ 20,221 | $ 20,360
Certificates of Deposit, Average Term | 7 months |
Financial Institution Providing Merchant Services [Member] |  |
Short-Term Investments | $ 2,500 | $ 2,500
Interest Rate of Certificates of Deposit | 2.00% |
Certificates of Deposit Terms | 6 months |
Minimum [Member] |  |
Interest Rate of Certificates of Deposit | 1.00% |
Maximum [Member] |  |
Interest Rate of Certificates of Deposit | 4.40% |
Weighted Average [Member] |  |
Interest Rate of Certificates of Deposit | 3.80% |

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- Definition Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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