Property and Equipment, Net (Details) - Schedule of property and equipment, net - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 20,554	$ 11,158
Less - accumulated depreciation	(10,805)	(8,872)
Property and equipment, net	9,749	2,286
Shop machinery and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	11,239	9,961
Computers and electronics [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,393	575
Office furniture and fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	627	348
Building [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,801
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,330
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,164	$ 274