CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
CONSOLIDATED STATEMENTS OF OPERATIONS
Operating revenues	$ 39,036	$ 40,189
Operating costs	39,402	44,401
Gross loss	(366)	(4,212)
Operating costs and expenses:
Selling, general, and administrative expenses	14,527	14,115
Operating loss	(14,893)	(18,327)
Other income (expense)
Interest expense, net	(219)	(223)
Other income, net	63	75
Loss before income taxes	(15,049)	(18,475)
Provision for federal and state income taxes	(104)	(39)
Net loss	$ (15,153)	$ (18,514)
Basic and diluted loss per common share	$ (3.03)	$ (4.16)
Basic and diluted weighted average shares used in computing loss per share:	4,996	4,447