Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Property and equipment, gross	$ 3,331	$ 7,596
Accumulated depreciation and amortization	(2,298)	(6,919)
Property and equipment, net	1,033	677
Computer Equipment and Software [Member]
Property and equipment, gross	989	3,767
Shop Equipment [Member]
Property and equipment, gross	1,301	1,270
Furniture and Fixtures [Member]
Property and equipment, gross	190	290
Building and Leasehold Improvements [Member]
Property and equipment, gross	623	2,182
Autos and Trucks [Member]
Property and equipment, gross	87	87
Construction in Progress [Member]
Property and equipment, gross	$ 141

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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