Property and Equipment, Net, and Other Assets - Components of Property and Equipment, Net, and Other Assets (Detail) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 2,528,785	$ 3,138,218
Accumulated depreciation	(1,994,320)	(2,523,700)
Property and equipment, net	534,465	614,518
Right-of-use operating lease asset	1,595,044
Security deposits and other assets	306,585	353,507
Property and equipment, net, and other assets	2,436,094	968,025
Vehicles [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	493,373	493,373
Computer equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	247,776	700,218
Office furniture and fixtures [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	541,464	541,464
Machinery and equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	688,137	845,128
Leasehold improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 558,035	$ 558,035

Property plant and equipment, net and other assets, noncurrent.

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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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Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment after one year or beyond the operating cycle, if longer.

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Amount of lessee's right to use underlying asset under operating lease.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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