Note 18 - Commitments - Balance Sheet Information (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
Operating lease right of use assets	$ 2,409	$ 5,820
Operating right of use liability - current	(1,886)	(2,134)
Operating right of use liability - non-current	(2,641)	(3,921)
Total operating lease liabilities, 2021	(4,527)	(6,055)
Property and equipment - (right of use assets)	1,140	985
Accumulated depreciation	(746)	(475)
Property and equipment, net	394	510
Other current liabilities	(247)	(315)
Other long term liabilities	(106)	(189)
Total finance lease liabilities	$ (353)	$ (504)
Operating leases (Year)	2 years 10 days	2 years 197 days
Finance leases (Year)	1 year 164 days	1 year 226 days
Operating leases	4.06%	4.11%
Finance leases	2.63%	1.78%