Note 17 - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Oct. 02, 2021	Jan. 02, 2021
2021 (after July 3, 2021), operating leases	$ 462
2021 (after July 3, 2021), finance leases	94
2022, operating leases	1,458
2022, finance leases	446
2023, operating leases	1,020
2023, finance leases	337
2024, operating leases	317
2024, finance leases	168
2025, operating leases	133
2025, finance leases	0
Thereafter, operating leases	50
Thereafter, finance leases	0
Total lease payments, operating lease	3,440
Total lease payments, finance leases	1,045
Less: imputed interest, operating leases	(142)
Less: imputed interest, finance leases	(15)
Total, operating leases	3,298	$ 4,527
Total, finance leases	$ 1,030	$ 353