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. 31, 2022	13,594
Balances at Dec. 31, 2022	$ 2,025	$ 156,450	$ 158,475
Net income		6,965	6,965
Expense of restricted stock units	$ 1,463	0	1,463
Dividends declared		(6,180)	(6,180)
Settlement of restricted stock units (in shares)	108
Settlement of restricted stock units	$ 0	0	0
Issuance of common stock for service (in shares)	35
Issuance of common stock for service	$ 447	0	447
Balances (in shares) at Sep. 30, 2023	13,737
Balances at Sep. 30, 2023	$ 3,935	157,235	161,170
Balances (in shares) at Jun. 30, 2023	13,737
Balances at Jun. 30, 2023	$ 3,389	155,020	158,409
Net income		4,275	4,275
Expense of restricted stock units	$ 546	0	546
Dividends declared		(2,060)	(2,060)
Balances (in shares) at Sep. 30, 2023	13,737
Balances at Sep. 30, 2023	$ 3,935	157,235	161,170
Balances (in shares) at Dec. 31, 2023	13,737
Balances at Dec. 31, 2023	$ 4,480	160,099	164,579
Net income		10,286	10,286
Expense of restricted stock units	$ 1,429		1,429
Dividends declared		(6,224)	(6,224)
Settlement of restricted stock units (in shares)	140
Settlement of restricted stock units	$ 0		0
Balances (in shares) at Sep. 30, 2024	13,877
Balances at Sep. 30, 2024	$ 5,909	164,161	170,070
Balances (in shares) at Jun. 30, 2024	13,877
Balances at Jun. 30, 2024	$ 5,406	160,576	165,982
Net income		5,667	5,667
Expense of restricted stock units	$ 503	0	503
Dividends declared		(2,082)	(2,082)
Balances (in shares) at Sep. 30, 2024	13,877
Balances at Sep. 30, 2024	$ 5,909	$ 164,161	$ 170,070