v3.19.1

Property and Equipment - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,416	$ 647
Less accumulated depreciation and amortization	407	256
Total	1,009	391
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	48
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	146	51
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	122	220
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,100	$ 376

X

- 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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