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Other income net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Other income: |  |  |
Exchange gain / (loss), net | $ (66) | $ (93) | $ 77
Rental income | 46 | 37 | 50
Government subsidies - Employment Support Scheme | 0 | 69 | 0
Other income, net | $ (20) | $ 13 | $ 127

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- Definition Income earned by providing the use of assets to an outside party in exchange for a payment or series of payments that is nonoperating in nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 + Details
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