Consolidated Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	Total
Balances (in shares) at Dec. 26, 2020	13,919
Balances at Dec. 26, 2020	$ 4,598	$ 134,558	$ 139,156
Net income		24,405	24,405
Expense of stock options and restricted stock units			902
Exercise of stock options (in shares)	10
Exercise of stock options	$ 144		144
Settlement of restricted stock units (in shares)	50
Dividends declared		(7,693)	(7,693)
Stock issued to directors as compensation (in shares)	6
Stock issued to directors as compensation	$ 135		135
Purchase of stock (in shares)	(492)
Purchase of stock	$ (5,779)	(4,655)	(10,434)
Balances (in shares) at Dec. 25, 2021	13,493
Balances at Dec. 25, 2021		146,615	146,615
Net income		17,989	17,989
Expense of stock options and restricted stock units			1,974
Settlement of restricted stock units (in shares)	97
Dividends declared		(8,154)	(8,154)
Stock issued to directors as compensation (in shares)	4
Stock issued to directors as compensation	$ 51		51
Balances (in shares) at Dec. 31, 2022	13,594
Balances at Dec. 31, 2022	$ 2,025	156,450	158,475
Net income		9,829	9,829
Expense of stock options and restricted stock units			2,008
Settlement of restricted stock units (in shares)	108
Dividends declared		(6,180)	(6,180)
Stock issued to directors as compensation (in shares)	4
Stock issued to directors as compensation	$ 52		52
Issuance of common stock for service (in shares)	31
Issuance of common stock for service	$ 395		395
Balances (in shares) at Dec. 31, 2023	13,737
Balances at Dec. 31, 2023	$ 4,480	$ 160,099	$ 164,579