Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Treasury Stock, Common [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Total
Beginning balance, value at Dec. 31, 2021	$ 6,509	$ (13,436)	$ 2,552	$ 53,506	$ 49,131
Beginning balance, shares at Dec. 31, 2021	17,274	(1,839)
Stock-based compensation			109		109
Net income				(895)	(895)
Ending balance, value at Mar. 31, 2022	$ 6,509	$ (13,436)	2,661	52,611	48,345
Ending balance, shares at Mar. 31, 2022	17,274	(1,839)
Beginning balance, value at Dec. 31, 2021	$ 6,509	$ (13,436)	2,552	53,506	49,131
Beginning balance, shares at Dec. 31, 2021	17,274	(1,839)
Net income					208
Ending balance, value at Sep. 30, 2022	$ 6,509	$ (12,997)	3,271	53,714	50,497
Ending balance, shares at Sep. 30, 2022	17,274	(1,779)
Beginning balance, value at Mar. 31, 2022	$ 6,509	$ (13,436)	2,661	52,611	48,345
Beginning balance, shares at Mar. 31, 2022	17,274	(1,839)
Issuance of common stock in connection with stock-based compensation		$ 280	(399)		(119)
Issuance of common stock in connection with stock-based compensation, shares		38
Stock-based compensation			746		746
Net income				120	120
Ending balance, value at Jun. 30, 2022	$ 6,509	$ (13,156)	3,008	52,731	49,092
Ending balance, shares at Jun. 30, 2022	17,274	(1,801)
Issuance of common stock in connection with stock-based compensation		$ 159	(159)
Issuance of common stock in connection with stock-based compensation, shares		22
Stock-based compensation			422		422
Net income				983	983
Ending balance, value at Sep. 30, 2022	$ 6,509	$ (12,997)	3,271	53,714	50,497
Ending balance, shares at Sep. 30, 2022	17,274	(1,779)
Beginning balance, value at Dec. 31, 2022	$ 6,509	$ (16,993)	3,624	54,430	47,570
Beginning balance, shares at Dec. 31, 2022	17,274	(2,629)
Stock-based compensation			343		343
Net income				830	830
Ending balance, value at Mar. 31, 2023	$ 6,509	$ (16,993)	3,967	55,260	48,743
Ending balance, shares at Mar. 31, 2023	17,274	(2,629)
Beginning balance, value at Dec. 31, 2022	$ 6,509	$ (16,993)	3,624	54,430	47,570
Beginning balance, shares at Dec. 31, 2022	17,274	(2,629)
Net income					7,398
Ending balance, value at Sep. 30, 2023	$ 6,509	$ (16,695)	4,338	61,828	55,980
Ending balance, shares at Sep. 30, 2023	17,274	(2,583)
Beginning balance, value at Mar. 31, 2023	$ 6,509	$ (16,993)	3,967	55,260	48,743
Beginning balance, shares at Mar. 31, 2023	17,274	(2,629)
Issuance of common stock in connection with stock-based compensation		$ 73	(112)		(39)
Issuance of common stock in connection with stock-based compensation, shares		11
Stock-based compensation			312		312
Net income				3,156	3,156
Ending balance, value at Jun. 30, 2023	$ 6,509	$ (16,920)	4,167	58,416	52,172
Ending balance, shares at Jun. 30, 2023	17,274	(2,618)
Issuance of common stock in connection with stock-based compensation		$ 225	(252)		(27)
Issuance of common stock in connection with stock-based compensation, shares		35
Stock-based compensation			423		423
Net income				3,412	3,412
Ending balance, value at Sep. 30, 2023	$ 6,509	$ (16,695)	$ 4,338	$ 61,828	$ 55,980
Ending balance, shares at Sep. 30, 2023	17,274	(2,583)