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8. INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2022
Goodwill And Intangible Assets Disclosure Abstract |
Estimated Future Amortization Expense Related to Intangible Assets | The following table outlines our estimated future amortization expense related to intangible assets held at December 31, 2022 (in thousands):
Years Ended December 31, |  | Amount |
2023 |  |  | 32 |
2024 |  |  | 22 |
2025 |  |  | 14 |
2026 |  |  | 7 |
|  |  | 75 |

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