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Note 5 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($)
$ in Thousands
Oct. 02, 2021
Jan. 02, 2021
Property and equipment $ 4,302 $ 5,185
Less: accumulated depreciation and amortization 2,207 3,107
Property and equipment, net 2,095 2,078
Computers and Systems [Member]    
Property and equipment 4,067 4,686
Equipment and Furniture [Member]    
Property and equipment 86 264
Leasehold Improvements [Member]    
Property and equipment $ 149 $ 235