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Fixed Assets, net - Schedule of Fixed Assets (Detail) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Less: accumulated depreciation $ (482) $ (418)
Total 515 544
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, Gross $ 997 $ 962