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Note 5 - Marketable Securities (Tables) | 12 Months Ended
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Nov. 30, 2024
Notes Tables |
Marketable Securities [Table Text Block] |
|  | 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 |
Investments Classified by Contractual Maturity Date [Table Text Block] |
|  | November 30, 2024 |
|  | Cost |  |  | Fair Value |
Due within one year or less |  | $ | 8,856 |  |  | $ | 8,921 |
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
|  |  |  |  |  |  |  |  |  | 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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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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