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Non-Operating Expenses - Schedule of Non-Operating Expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Non-operating Expenses |  |  |
Foreign exchange losses | $ 3,618 | $ 2,146 | $ 2,195
Financial charges | 56 | 158 | 104
Interest expense | 565 | 893 | 685
Other components of defined benefit plans, net | 14 | (78) | 248
Impairment of equity securities at cost |  |  | 7,000
Accounts receivable write-off | 1,282 |  |
Other | 16 | 307 | 847
Total non-operating expenses from continuing operations | $ 5,551 | $ 3,426 | $ 11,079

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