Note 17 - Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 27, 2020	Dec. 28, 2019
Operating lease right of use assets	$ 4,958	$ 5,820
Operating right of use liability - current	(1,997)	(2,134)
Operating right of use liability - non-current	(3,199)	(3,921)
Total operating lease liabilities	(5,196)	(6,055)
Property and equipment - (ROU assets)	984	985
Accumulated depreciation	(630)	(475)
Property and equipment, net	354	510
Finance lease liability - current	(302)	(315)
Finance lease liability - non-current	(41)	(189)
Total finance lease liabilities	$ (343)	$ (504)
Operating leases (in years) (Year)	1 year 233 days	2 years 197 days
Finance leases (in years) (Year)	1 year 142 days	1 year 226 days
Operating leases	4.32%	4.11%
Finance leases	1.83%	1.78%