v3.19.1

Property and Equipment - Summary of Property and Equipment (Detail) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,426	$ 1,416
Less accumulated depreciation	(526)	(407)
Total	900	1,009	$ 459
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	48	48
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	149	146
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	122	122
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,107	$ 1,100

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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