Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock, Common [Member]	Total
Balances at Dec. 31, 2022	$ 31	$ 175,453	$ (25,184)	$ (78,267)	$ 72,033
Purchase of shares treasury stock	0	0	0	(1,983)	(1,983)
Issuance of shares of common stock for the exercise of stock options	0	300	0	0	300
Non-cash stock compensation expense	0	(304)	0	0	(304)
Dividends declared	0	0	(2,953)	0	(2,953)
Net income	0	0	6,964	0	6,964
Non-cash stock compensation expense	0	304	0	0	304
Balances at Mar. 31, 2023	31	176,057	(21,173)	(80,250)	74,665
Balances at Dec. 31, 2023	31	178,213	(30,530)	(98,759)	48,955
Purchase of shares treasury stock	0	0	0	(17,220)	(17,220)
Issuance of shares of common stock for the exercise of stock options	0	1,752	0	0	1,752
Non-cash stock compensation expense	0	(36)	0	0	(36)
Dividends declared	0	0	(2,865)	0	(2,865)
Net income	0	0	6,359	0	6,359
Non-cash stock compensation expense	(0)	36	(0)	(0)	36
Balances at Mar. 31, 2024	$ 31	$ 179,929	$ (27,036)	$ (115,979)	$ 36,945