Note 5 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Jan. 01, 2022	Jan. 02, 2021
Property and equipment	$ 4,378	$ 5,185
Less: accumulated depreciation and amortization	2,439	3,107
Property and equipment, net	1,939	2,078
Computers and Systems [Member]
Property and equipment	4,133	4,686
Equipment and Furniture [Member]
Property and equipment	86	264
Leasehold Improvements [Member]
Property and equipment	$ 159	$ 236

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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