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Note 12 - Intangible Assets | 6 Months Ended
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May 31, 2024
Notes to Financial Statements |
Intangible Assets Disclosure [Text Block] |
12. | INTANGIBLE ASSETS
The components of intangible assets were as follows (in thousands):
|  |  |  |  | Balance at May 31, 2024 |  |  | Balance at 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 |  |  | $ | 3,931 |  |  | $ | (850 | ) |  | $ | 3,081 |  |  | $ | 3,931 |  |  | $ | (723 | ) |  | $ | 3,208 |
Trademarks |  | Indefinite |  |  |  | 360 |  |  |  | — |  |  |  | 360 |  |  |  | 360 |  |  |  | — |  |  |  | 360 |
Customer List |  | 2 |  |  |  | 70 |  |  |  | (70 | ) |  |  | — |  |  |  | 70 |  |  |  | (55 | ) |  |  | 15 |
Total |  |  |  |  | $ | 4,361 |  |  | $ | (920 | ) |  | $ | 3,441 |  |  | $ | 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 Condensed Consolidated Statements of Operations and Comprehensive Income (Loss). Total intangible assets amortization expense for the six months ended May 31, 2024 and 2023 were $0.1 million. Total intangible assets amortization expense for the three months ended May 31, 2024 and 2023 were less than $0.1 million. Estimated future amortization expense related to intangible assets as of May 31, 2024 are as follows (in thousands):
Fiscal Year Ending November 30, |  |  |  |
2024 (remaining six months) |  | $ | 128 |
2025 |  |  | 254 |
2026 |  |  | 254 |
2027 |  |  | 254 |
2028 |  |  | 254 |
Thereafter |  |  | 1,937 |
Total |  | $ | 3,081 |

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