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Discontinued Operations - Schedule of Assets and Liabilities of Discontinued Operations (Details) - Discontinued Operations - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Assets from discontinued operations: |  |
Total assets from discontinued operations | $ 32 | $ 10,977
Liabilities from discontinued operations: |  |
Total liabilities from discontinued operations | 170 | 9,391
Drivetrain |  |
Assets from discontinued operations: |  |
Total assets from discontinued operations | 32 | 3,604
Liabilities from discontinued operations: |  |
Total liabilities from discontinued operations | 170 | 5,743
XL Grid |  |
Assets from discontinued operations: |  |
Total assets from discontinued operations | 0 | 7,373
Liabilities from discontinued operations: |  |
Total liabilities from discontinued operations | $ 0 | $ 3,648

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