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Note 5 - Marketable Securities | 12 Months Ended
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Nov. 30, 2024
Notes to Financial Statements |
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] |
5. | MARKETABLE DEBT SECURITIES
The following table summarizes our marketable securities and available-for-sale investments as of November 30, 2024 (in thousands):
|  | Cost |  |  | Unrealized Gains |  |  | Unrealized Losses |  |  | Fair Value |  |  | Investments |
Corporate bonds |  | $ | 2,950 |  |  | $ | 18 |  |  | $ | - |  |  | $ | 2,968 |  |  | $ | 2,968 |
U.S. Treasury securities |  |  | 5,906 |  |  |  | 47 |  |  |  | - |  |  |  | 5,953 |  |  |  | 5,953 |
Total |  | $ | 8,856 |  |  | $ | 65 |  |  | $ | - |  |  | $ | 8,921 |  |  | $ | 8,921 |
|  | November 30, 2024 |
|  | Cost |  |  | Fair Value |
Due within one year or less |  | $ | 8,856 |  |  | $ | 8,921 |
|  |  |  |  |  |  |  |  |  | November 30, 2024 |
|  |  |  |  |  |  |  |  |  | Fair Value Measurement Based on |
|  |  |  |  |  |  |  |  | Quoted Prices in Active Market |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |
|  | Cost |  |  | Fair Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Cash equivalents |  | $ | 11,304 |  |  | $ | 11,304 |  |  | $ | 11,304 |  |  | $ | - |  |  | $ | - |
Corporate bonds |  |  | 2,950 |  |  |  | 2,968 |  |  |  | - |  |  |  | 2,968 |  |  |  | - |
U.S. Treasury securities |  |  | 5,906 |  |  |  | 5,953 |  |  |  | - |  |  |  | 5,953 |  |  |  | - |
Total |  | $ | 20,160 |  |  | $ | 20,225 |  |  | $ | 11,304 |  |  | $ | 8,921 |  |  | $ | - |
|  |  |  |  |  |  |  |  |  | November 30, 2023 |
|  |  |  |  |  |  |  |  |  | Fair Value Measurement Based on |
|  |  |  |  |  |  |  |  | Quoted Prices in Active Market |  |  | Significant Other Observable Inputs |  |  | Significant Unobservable Inputs |
|  | Cost |  |  | Fair Value |  |  | (Level 1) |  |  | (Level 2) |  |  | (Level 3) |
Cash equivalents |  | $ | 16,324 |  |  | $ | 16,324 |  |  | $ | 16,324 |  |  | $ | - |  |  | $ | - |
Corporate bonds |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
U.S. Treasury securities |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Total |  | $ | 16,324 |  |  | $ | 16,324 |  |  | $ | 16,324 |  |  | $ | - |  |  | $ | - |

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