Note 7 - Leases - Details of Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 27, 2020	Dec. 29, 2019
Operating leases	$ 1,344	$ 2,200
Finance leases	651	170
Total right of use assets	1,995	2,370
Operating leases	1,386	1,816
Finance leases	620	471
Total lease liabilities	$ 2,006	$ 2,287