Property and Equipment (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 207,716	$ 176,955
Less - accumulated depreciation	(132,528)	(123,725)
Property and equipment, net	75,188	53,230
Shop machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	104,468	87,534
Computers and electronics [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	38,961	32,093
Office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	37,814	37,814
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 26,473	$ 19,514

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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