Property and Equipment, Net (Details) - Schedule of property and equipment, net - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 19,283,589	$ 11,158,534
Less - accumulated depreciation	(10,210,823)	(8,872,068)
Property and equipment, net	9,072,766	2,286,466
Shop machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	10,625,067	9,960,626
Computers and electronics [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	699,959	575,452
Office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,109,569	348,142
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,800,903
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,330,000
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 718,091	$ 274,314

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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