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Note 13 - Intangible Assets | 3 Months Ended
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Feb. 28, 2025
Notes to Financial Statements |
Intangible Assets Disclosure [Text Block] |
13. | INTANGIBLE ASSETS
The components of intangible assets were as follows (in thousands):
|  |  |  |  |  | Balance at February 28, 2025 |  |  | Balance at November 30, 2024 |
|  | 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 |  |  | $ | (1,042 | ) |  | $ | 2,913 |  |  | $ | 3,955 |  |  | $ | (978 | ) |  | $ | 2,977 |
Trademarks |  | Indefinite |  |  |  | 360 |  |  |  | — |  |  |  | 360 |  |  |  | 360 |  |  |  | — |  |  |  | 360 |
Customer List |  |  | 2 |  |  |  | 70 |  |  |  | (70 | ) |  |  | — |  |  |  | 70 |  |  |  | (70 | ) |  |  | — |
Total |  |  |  |  |  | $ | 4,385 |  |  | $ | (1,112 | ) |  | $ | 3,273 |  |  | $ | 4,385 |  |  | $ | (1,048 | ) |  | $ | 3,337 |
The trademarks have an indefinite life and are 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 three months ended February 28, 2025 and February 29, 2024 were $0.1 million and $0.1 million, respectively. Estimated future amortization expense related to intangible assets as of February 28, 2025 are as follows (in thousands):
Fiscal Year Ending November 30, |  |  |  |
2025 (remaining nine months) |  | $ | 192 |
2026 |  |  | 257 |
2027 |  |  | 257 |
2028 |  |  | 257 |
2029 |  |  | 257 |
Thereafter |  |  | 1,693 |
Total |  | $ | 2,913 |

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