Note 17 - Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Sep. 26, 2020	Dec. 28, 2019
2020, operating leases	$ 594
2020, finance leases	75
2021, operating leases	2,006
2021, finance leases	255
2022, operating leases	1,481
2022, finance leases	108
2023, operating leases	910
2023, finance leases
2024, operating leases	187
2024, finance leases
Thereafter, operating leases
Thereafter, finance leases
Total lease payments, operating leases	5,178
Total lease payments, finance leases	438
Less: imputed interest, operating leases	(272)
Less: imputed interest, finance leases	(12)
Total, operating leases	4,906	$ 6,055
Total, finance leases	$ 426	$ 504

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

No definition available.