Fixed Assets, net - Schedule of Fixed Assets (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation and amortization	$ (264)	$ (227)
Total	559	557
Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, Gross	$ 823	$ 784

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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