Note 4 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021
Weighted Average Remaining Lease Term – Operating Leases (in years) (Year)	8 years 11 months 23 days	3 years 11 months 19 days
Operating Lease Cost	$ 1,481	$ 1,489
Weighted Average Discount Rate – Operating Leases	5.06%	5.00%
Short-term Lease Cost	$ 2,587	$ 3,019
Variable Lease Cost	502	378
Total Operating Lease Cost	4,570	4,886
Operating Lease – Operating Cash Flows	860	1,347
New ROU Assets – Operating Leases (non-cash)	$ 8,084	$ 2,347