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Note 5 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($)
$ in Thousands
Mar. 28, 2020
Dec. 28, 2019
Property and equipment $ 5,330 $ 6,255
Less: accumulated depreciation and amortization 2,837 3,538
Property and equipment, net 2,493 2,717
Computers and Systems [Member]    
Property and equipment 4,852 5,628
Equipment and Furniture [Member]    
Property and equipment 275 319
Leasehold Improvements [Member]    
Property and equipment $ 203 $ 308