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		(952)	(952)
Expense of restricted stock units	$ 459	0	459
Settlement of restricted stock units (in shares) (in shares)	105
Settlement of restricted stock units	$ 0	0	0
Dividends declared		(2,059)	(2,059)
Issuance of common stock for service (in shares) (in shares)	31
Issuance of common stock for service	$ 395	0	395
Balances (in shares) at Mar. 31, 2023	13,730
Balances at Mar. 31, 2023	$ 2,879	153,439	156,318
Balances (in shares) at Dec. 31, 2023	13,737
Balances at Dec. 31, 2023	$ 4,480	160,099	164,579
Net income		1,775	1,775
Expense of restricted stock units	$ 429		429
Settlement of restricted stock units (in shares) (in shares)	125
Settlement of restricted stock units	$ 0		0
Dividends declared		(2,063)	(2,063)
Balances (in shares) at Mar. 31, 2024	13,862
Balances at Mar. 31, 2024	$ 4,909	$ 159,811	$ 164,720