Note 17 - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Apr. 03, 2021	Jan. 02, 2021
2021 (after April 3, 2021), operating leases	$ 1,574
2021, finance leases	180
2022, operating leases	1,532
2022, finance leases	108
2023, operating leases	967
2023, finance leases
2024, operating leases	233
2024, finance leases
2025, operating leases	48
2025, finance leases
Total lease payments, operating leases	4,354
Total lease payments, finance leases	288
Less: imputed interest, operating leases	(193)
Less: imputed interest, finance leases	(9)
Total, operating leases	4,161	$ 4,527
Total, finance leases	$ 279	$ 353