Note 18 - Commitments - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Jan. 02, 2021	Dec. 28, 2019
2021, operating leases	$ 2,019
2021, finance leases	255
2022, operating leases	1,505
2022, finance leases	109
2023, operating leases	955
2023, finance leases
2024, operating leases	232
2024, finance leases
2025, operating leases	48
2025, finance leases
Thereafter, operating leases
Thereafter, finance leases
Total lease payments, operating leases	4,759
Total lease payments, finance leases	364
Less: imputed interest, operating leases	(232)
Less: imputed interest, finance leases	(11)
Total, operating leases	4,527	$ 6,055
Total, finance leases	$ 353	$ 504