Consolidated Condensed Statement of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Retained Earnings [Member]	Total
Balances (in shares) at Dec. 25, 2021	13,493
Balances at Dec. 25, 2021	$ 13,493	$ 133,122	$ 146,615
Net income		15,285	15,285
Expense of restricted stock units		1,453	1,453
Dividends declared		(6,115)	(6,115)
Settlement of restricted stock units (in shares)	93
Settlement of restricted stock units	$ 93	(93)	0
Stock issued to directors as compensation (in shares)	4
Stock issued to directors as compensation	$ 4	47	51
Balances (in shares) at Oct. 01, 2022	13,590
Balances at Oct. 01, 2022	$ 13,590	143,699	157,289
Balances (in shares) at Jul. 09, 2022	13,590
Balances at Jul. 09, 2022	$ 13,590	142,403	155,993
Net income		2,958	2,958
Expense of restricted stock units		377	377
Dividends declared		(2,039)	(2,039)
Balances (in shares) at Oct. 01, 2022	13,590
Balances at Oct. 01, 2022	$ 13,590	143,699	157,289
Balances (in shares) at Dec. 31, 2022	13,594
Balances at Dec. 31, 2022	$ 13,594	144,881	158,475
Net income		6,965	6,965
Expense of restricted stock units		1,463	1,463
Dividends declared		(6,180)	(6,180)
Settlement of restricted stock units (in shares)	108
Settlement of restricted stock units	$ 108	(108)	0
Stock issued to directors as compensation (in shares)	4
Stock issued to directors as compensation	$ 4	48	52
Issuance of common stock for service (in shares)	31
Issuance of common stock for service	$ 31	364	395
Balances (in shares) at Sep. 30, 2023	13,737
Balances at Sep. 30, 2023	$ 13,737	147,433	161,170
Balances (in shares) at Jun. 30, 2023	13,737
Balances at Jun. 30, 2023	$ 13,737	144,672	158,409
Net income		4,275	4,275
Expense of restricted stock units		546	546
Dividends declared		(2,060)	(2,060)
Balances (in shares) at Sep. 30, 2023	13,737
Balances at Sep. 30, 2023	$ 13,737	$ 147,433	$ 161,170