Note 17 - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Jul. 03, 2021	Jan. 02, 2021
2021 (after July 3, 2021), operating leases	$ 1,036
2021 (after July 3, 2021), finance leases	104
2022, operating leases	1,542
2022, finance leases	108
2023, operating leases	967
2023, finance leases	0
2024, operating leases	233
2024, finance leases	0
2025, operating leases	48
2025, finance leases	0
Total lease payments, operating leases	3,826
Total lease payments, finance leases	212
Less: imputed interest, operating leases	(157)
Less: imputed interest, finance leases	(2)
Total, operating leases	3,669	$ 4,527
Total, finance leases	$ 210	$ 353