Note 4 - Leases - Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020
Operating Lease Cost	$ 1,489	$ 828
Short-term Lease Cost	3,019	973
Variable Lease Cost	378	250
Total Operating Lease Cost	4,886	2,051
Operating Lease – Operating Cash Flows	1,347	762
New ROU Assets – Operating Leases (non-cash)	$ 2,347	$ 1,282
Weighted Average Remaining Lease Term – Operating Leases (in years) (Year)	3 years 11 months 19 days	2 years 2 months 26 days
Weighted Average Discount Rate – Operating Leases	5.00%	5.00%