Note 10 - Leases - Future Minimum Lease Payments (Details) $ in Thousands	Dec. 28, 2019 USD ($)
2020, operating leases	$ 7,383	[1]
2020, finance leases	2,631
2020, total	10,014
2021, operating leases	6,090	[1]
2021, finance leases
2021, total	6,090
2022, operating leases	5,535	[1]
2022, finance leases
2022, total	5,535
2023, operating leases	4,987	[1]
2023, finance leases
2023, total	4,987
2024, operating leases	4,692
2024, finance leases
2024, total	4,692
Thereafter, operating leases	16,314	[1]
Thereafter, finance leases
Thereafter, total	16,314
Total lease payments, operating leases	45,001	[1]
Total lease payments, finance leases	2,631
Total lease payments, total	47,632
Less: Interest, operating leases	(10,666)	[1]
Less: Interest, finance leases	(57)
Less: Interest, total	(10,723)
Present value of lease liabilities, finance leases	2,574
Present value of lease liabilities, total	36,909
Other Accrued Liabilities and Long-term Lease Liabilities [Member]
Present value of lease liabilities, operating leases	$ 34,335	[1]

[1] Excludes sublease income of $0.1 million in both 2020 and 2021 and also excludes $0.1 million of legally binding minimum lease payments for lease signed but not yet commenced.