Note 18 - Commitments - Balance Sheet Information (Details) - USD ($) $ in Thousands	Dec. 28, 2019	Dec. 29, 2018
Operating lease right of use assets	$ 5,820
Other current liabilities	(2,134)
Operating lease liabilities	(3,921)
Total operating lease liabilities	(6,055)
Property and equipment - (ROU assets)	985
Accumulated depreciation	(475)
Property and equipment, net	510
Other current liabilities	(315)
Other long term liabilities	(189)
Total finance lease liabilities	$ (504)
Operating leases (in Years) (Year)	2 years 197 days
Finance leases (in Years) (Year)	1 year 226 days
Operating leases	4.11%
Finance leases	1.78%