CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 26, 2025	Mar. 27, 2024
Cash flows from operating activities:
Net income	$ 5,481	$ 5,912
Adjustments to reconcile net income to net cash flows provided by operating activities:
Depreciation and amortization	3,887	3,851
Stock-based compensation expense	1,047	920
Loss on disposal of assets	11	41
Amortization of deferred financing costs	48	48
Deferred income taxes, net	(1,413)	(65)
Changes in operating assets and liabilities:
Accounts and other receivables	(3,055)	(312)
Inventories	88	175
Prepaid expenses and other current assets	365	273
Income taxes receivable/ payable	4,240	2,115
Operating lease assets	4,825	4,731
Other assets	(55)	(67)
Accounts payable	173	(2,732)
Accrued salaries and vacation	(6,258)	(2,455)
Accrued insurance	(112)	(92)
Operating lease liabilities	(4,850)	(4,669)
Other accrued expenses and liabilities	313	3,489
Net cash flows provided by operating activities	4,735	11,163
Cash flows from investing activities:
Proceeds from fire insurance for property and equipment		41
Purchase of property and equipment	(3,389)	(4,162)
Net cash flows used in investing activities	(3,389)	(4,121)
Cash flows from financing activities:
Proceeds from borrowings on revolver and swingline loans	6,000
Payments on revolver and swingline loan	(4,000)	(4,000)
Minimum tax withholdings related to net share settlements	(101)
Proceeds from issuance of common stock upon exercise of stock options, net of expenses	426
Payment of obligations under finance leases	(57)	(48)
Repurchases of common stock	(1,775)	(1,161)
Net cash flows provided by (used in) financing activities	493	(5,209)
Increase in cash and cash equivalents	1,839	1,833
Cash and cash equivalents, beginning of period	2,484	7,288
Cash and cash equivalents, end of period	4,323	9,121
Supplemental cash flow information
Cash paid during the period for interest	1,068	1,595
Unpaid purchases of property and equipment	2,709	7,105
Unpaid repurchases of common stock and excise tax	$ 220	$ 65