Income Taxes Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 25, 2021	Dec. 26, 2020
Current
Federal	$ 141	$ (912)
State	136	109
Total current	277	(803)
Deferred
Federal	(139)	(277)
State	(33)	(66)
Total deferred	(172)	(343)
Income tax provision (benefit)	$ 105	$ (1,146)