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Discontinued operations - Revenue and Expenses of the Discontinued Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Operating expenses: |  |  |  |
Net income (loss) from discontinued operations | $ (3,316) | $ 2,100 | $ (29,763) | $ 6,144
Discontinued Operations, Disposed of by Sale | Light-Duty |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Revenue | 20,000 | 61,374 | 160,004 | 193,798
Cost of revenue | 15,701 | 47,571 | 126,861 | 152,966
Gross profit | 4,299 | 13,803 | 33,143 | 40,832
Operating expenses: |  |  |  |
Research and development | 1,025 | 2,638 | 6,763 | 9,081
General and administrative | 832 | 4,290 | 8,313 | 13,331
Sales and marketing | 837 | 2,404 | 6,006 | 7,048
Foreign exchange (gain) loss | (443) | 640 | 2,166 | 723
Depreciation and amortization | 230 | 647 | 1,509 | 1,954
Operating expenses | 2,481 | 10,619 | 24,757 | 32,137
Income from discontinued operations | 1,818 | 3,184 | 8,386 | 8,695
Income from investment accounted for by the equity method | 119 | 221 | 591 | 666
Loss on disposal of operations | (5,085) | 0 | (35,268) | 0
Impairment of long-lived assets | 0 | 0 | (664) | 0
Interest on long-term debt | (55) | (663) | (930) | (1,266)
Interest and other income, net of bank charges | 76 | 354 | 429 | 525
Income (loss) from discontinued operations before income tax | (3,127) | 3,096 | (27,456) | 8,620
Income tax expense | 189 | 996 | 2,307 | 2,476
Net income (loss) from discontinued operations | $ (3,316) | $ 2,100 | $ (29,763) | $ 6,144

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