Note 17 - Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Mar. 28, 2020	Dec. 28, 2019
Operating lease right of use assets	$ 5,516	$ 5,820
Operating right of use liability - current	(2,157)	(2,134)
Operating right of use liability - non-current	(3,615)	(3,921)
Total operating lease liabilities	(5,772)	(6,055)
Property and equipment - (ROU assets)	984	985
Accumulated depreciation	(552)	(475)
Property and equipment, net	432	510
Finance lease liability - current	(309)	(315)
Finance lease liability - non-current	(115)	(189)
Total finance lease liabilities	$ (424)	$ (504)
Operating leases (Year)	1 year 233 days	2 years 197 days
Finance leases (Year)	1 year 142 days	1 year 226 days
Operating leases	4.30%	4.11%
Finance leases	1.83%	1.78%