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		12,327	12,327
Expense of restricted stock units		1,076	1,076
Settlement of restricted stock units (in shares)	93
Settlement of restricted stock units	$ 93	(93)	0
Dividends declared		(4,076)	(4,076)
Stock issued to directors as compensation (in shares)	4
Stock issued to directors as compensation	$ 4	47	51
Balances (in shares) at Jul. 09, 2022	13,590
Balances at Jul. 09, 2022	$ 13,590	142,403	155,993
Balances (in shares) at Mar. 19, 2022	13,585
Balances at Mar. 19, 2022	$ 13,585	138,034	151,619
Net income		5,673	5,673
Expense of restricted stock units		688	688
Settlement of restricted stock units (in shares)	1
Settlement of restricted stock units	$ 1	(1)	0
Dividends declared		(2,038)	(2,038)
Stock issued to directors as compensation (in shares)	4
Stock issued to directors as compensation	$ 4	47	51
Balances (in shares) at Jul. 09, 2022	13,590
Balances at Jul. 09, 2022	$ 13,590	142,403	155,993
Balances (in shares) at Dec. 31, 2022	13,594
Balances at Dec. 31, 2022	$ 13,594	144,881	158,475
Net income		2,690	2,690
Expense of restricted stock units		917	917
Settlement of restricted stock units (in shares)	108
Settlement of restricted stock units	$ 108	(108)	0
Dividends declared		(4,120)	(4,120)
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 Jun. 30, 2023	13,737
Balances at Jun. 30, 2023	$ 13,737	144,672	158,409
Balances (in shares) at Mar. 31, 2023	13,730
Balances at Mar. 31, 2023	$ 13,730	142,588	156,318
Net income		3,642	3,642
Expense of restricted stock units		458	458
Settlement of restricted stock units (in shares)	3
Settlement of restricted stock units	$ 3	(3)	0
Dividends declared		(2,061)	(2,061)
Stock issued to directors as compensation (in shares)	4
Stock issued to directors as compensation	$ 4	48	52
Balances (in shares) at Jun. 30, 2023	13,737
Balances at Jun. 30, 2023	$ 13,737	$ 144,672	$ 158,409