Property and Equipment (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 176,706	$ 253,444
Less - accumulated depreciation	(99,103)	(97,507)
Net property and equipment	77,603	155,937
Shop machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	87,534	87,704
Computers and electronics [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	31,844	35,270
Office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	37,814	37,814
Vehicle [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	0	73,142
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 19,514	$ 19,514