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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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No definition available.

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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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Property and Equipment (Details) - USD ($)	3 Months Ended		9 Months Ended
Property and Equipment (Details) - USD ($)	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Property and equipment
Property and equipment, gross	$ 3,786,654		$ 3,786,654		$ 3,430,707
Accumulated depreciation	(1,907,035)		(1,907,035)		(1,561,856)
Total	1,879,619		1,879,619		1,868,851
Depreciation expense of property and equipment	121,133	$ 97,991	345,592	$ 255,814
Computer software and hardware
Property and equipment
Property and equipment, gross	534,644		534,644		490,272
Furniture and fixtures
Property and equipment
Property and equipment, gross	864,376		864,376		655,518
Leasehold improvements
Property and equipment
Property and equipment, gross	202,026		202,026		191,139
Machinery and equipment
Property and equipment
Property and equipment, gross	2,137,665		2,137,665		2,046,808
Tooling in-process
Property and equipment
Property and equipment, gross	$ 47,943		$ 47,943		$ 46,970