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Note 10 - Intangible Assets | 12 Months Ended
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Nov. 30, 2024
Notes to Financial Statements |
Intangible Assets Disclosure [Text Block] |
10. | INTANGIBLE ASSETS
The components of intangible assets were as follows (in thousands):
|  |  |  |  |  | As of November 30, 2024 |  |  | As of November 30, 2023 |
|  | Estimated Useful Lives in Years |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |  |  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Patents |  |  | 10-17 |  |  | $ | 3,955 |  |  | $ | (978 | ) |  | $ | 2,977 |  |  | $ | 3,931 |  |  | $ | (723 | ) |  | $ | 3,208 |
Trademarks |  | Indefinite |  |  |  | 360 |  |  |  | — |  |  |  | 360 |  |  |  | 360 |  |  |  | — |  |  |  | 360 |
Customer List |  |  | 2 |  |  |  | 70 |  |  |  | (70 | ) |  |  | — |  |  |  | 70 |  |  |  | (55 | ) |  |  | 15 |
Total |  |  |  |  |  | $ | 4,385 |  |  | $ | (1,048 | ) |  | $ | 3,337 |  |  | $ | 4,361 |  |  | $ | (778 | ) |  | $ | 3,583 |
The trademarks have an indefinite life and will be assessed annually for impairment. All other intangible assets are finite-lived. Intangible assets amortization expenses are recorded within operating expenses in the accompanying Consolidated Statements of Operations and Comprehensive Income (Loss). Total intangible assets amortization expense for the years ended November 30, 2024 and 2023 were $0.3 million and $0.3 million, respectively. Estimated future amortization expense related to intangible assets as of November 30, 2024 are as follows (in thousands):
Fiscal Year Ending November 30, |  |  |  |
2025 |  | $ | 275 |
2026 |  |  | 257 |
2027 |  |  | 257 |
2028 |  |  | 257 |
2029 |  |  | 257 |
Thereafter |  |  | 1,674 |
Total |  | $ | 2,977 |

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