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Deferred Tax Credits - Schedule of Deferred Tax Credits (Details) - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
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Deferred Tax Credits |  |
Deferred research & development tax credits | $ 692 | $ 847
Deferred other tax credits | 2 | 1
Total deferred tax credits | $ 694 | $ 848

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