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Fixed Assets - Fixed Assets are Carried at Cost Less Accumulated Depreciation (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Fixed assets, Gross	$ 1,275	$ 1,087
Accumulated depreciation	(1,011)	(917)
Fixed assets, Net	264	170
Computer equipment and capitalized software
Property, Plant and Equipment [Line Items]
Fixed assets, Gross	1,055	926
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Fixed assets, Gross	77	66
Office equipment
Property, Plant and Equipment [Line Items]
Fixed assets, Gross	46	34
Vehicles
Property, Plant and Equipment [Line Items]
Fixed assets, Gross	46	11
Leasehold improvements
Property, Plant and Equipment [Line Items]
Fixed assets, Gross	$ 51	$ 50

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- Definition

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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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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