Note 11 - Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 25, 2021
Operating lease assets		$ 22,804	$ 25,060
Total lease assets		23,127	25,483
Total lease liabilities		$ 24,185	$ 27,093
Operating leases (Year)		6 years 2 months 12 days	6 years 10 months 24 days
Finance leases (Year)		1 year 8 months 12 days	1 year 9 months 18 days
Operating leases		6.20%	6.30%
Finance leases		2.20%	0.70%
Property, Plant and Equipment, Net [Member]
Finance lease assets	[1]	$ 323	$ 423
Other Accrued Liabilities [Member]
Operating, current		4,927	4,886
Finance, current		49	167
Long-term Lease Liabilities [Member]
Operating, noncurrent		19,185	21,977
Finance, noncurrent		$ 24	$ 63

[1] Finance lease assets are recorded net of accumulated amortization of $0.2 million and $0.1 million in 2022 and 2021, respectively.