Note 11 - Leases - Balance Sheet Information (Details) - USD ($) $ in Thousands		Sep. 24, 2022	Dec. 25, 2021
Operating lease assets		$ 22,339	$ 25,060	[1]
Total lease assets		22,655	25,483
Total lease liabilities		$ 23,877	$ 27,093
Operating leases (Year)		6 years 6 months	6 years 10 months 24 days
Finance leases (Year)		1 year 6 months	1 year 9 months 18 days
Operating leases		6.30%	6.30%
Finance leases		1.30%	0.70%
Property, Plant and Equipment, Net [Member]
Finance lease assets	[2]	$ 316	$ 423
Other Accrued Liabilities [Member]
Operating, current		4,615	4,886
Finance, current		81	167
Long-term Lease Liabilities [Member]
Operating, noncurrent		19,155	21,977
Finance, noncurrent		$ 26	$ 63

[1] Derived from December 25, 2021 audited financial statements

[2] Finance lease assets are recorded net of accumulated amortization of $0.2 million and $0.1 million as of September 24, 2022 and December 25, 2021, respectively.