Note 17 - Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands	Jul. 03, 2021	Jan. 02, 2021
Operating lease right of use assets	$ 1,997	$ 2,409
Operating right of use liability - current	(1,860)	(1,886)
Operating right of use liability - non-current	(1,809)	(2,641)
Total operating lease liabilities	(3,669)	(4,527)
Property and equipment - (right of use assets)	368	1,140
Accumulated depreciation	(155)	(746)
Property and equipment, net	213	394
Finance lease liability - current	(124)	(247)
Finance lease liability - non-current	(86)	(106)
Total finance lease liabilities	$ (210)	$ (353)
Operating leases (Years) (Year)	1 year 2 months 12 days	2 years 10 days
Finance leases (Years) (Year)	1 year 5 months 12 days	1 year 5 months 12 days
Operating leases	3.12%	4.06%
Finance leases	3.42%	2.63%