Condensed Statements of Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings	Total
Balance at Dec. 31, 2022	$ 7		$ 16,449	$ 39,220	$ 55,676
Balance (in shares) at Dec. 31, 2022	6,906,544
Balance (in shares) at Dec. 31, 2022		(214,422)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock warrants acquired			(1,949)		(1,949)
Employee/Directors stock grants			846		846
Employee/Directors stock grants (in shares)	23,868
Taxes paid related to net share settlement of equity awards			(247)		(247)
Taxes paid related to net share settlement of equity awards (in shares)	(8,639)
Stock option exercises			24		24
Stock option exercises (in shares)	19,781
Stock-based compensation			61		61
Net income				16,362	16,362
Balance at Sep. 30, 2023	$ 7		15,184	55,582	70,773
Balance (in shares) at Sep. 30, 2023	6,941,554
Balance (in shares) at Sep. 30, 2023		(214,422)
Balance at Jun. 30, 2023	$ 7		15,188	50,068	65,263
Balance (in shares) at Jun. 30, 2023	6,923,446
Balance (in shares) at Jun. 30, 2023		(214,422)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee/Directors stock grants (in shares)	1,945
Taxes paid related to net share settlement of equity awards			(75)		(75)
Taxes paid related to net share settlement of equity awards (in shares)	(3,618)
Stock option exercises			24		24
Stock option exercises (in shares)	19,781
Stock-based compensation			47		47
Net income				5,514	5,514
Balance at Sep. 30, 2023	$ 7		15,184	55,582	70,773
Balance (in shares) at Sep. 30, 2023	6,941,554
Balance (in shares) at Sep. 30, 2023		(214,422)
Balance at Dec. 31, 2023	$ 7		11,985	59,803	$ 71,795
Balance (in shares) at Dec. 31, 2023	7,099,441
Balance (in shares) at Dec. 31, 2023		(214,422)			(214,422)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Employee/Directors stock grants			150		$ 150
Employee/Directors stock grants (in shares)	6,546
Issuance of common stock			2,536		2,536
Issuance of common stock (in shares)	86,734
Stock issuance expenses			(588)		(588)
Taxes paid related to net share settlement of equity awards			(874)		(874)
Taxes paid related to net share settlement of equity awards (in shares)	(34,406)
Stock option exercises			295		$ 295
Stock option exercises (in shares)	176,285				176,285
Stock-based compensation			348		$ 348
Net income				11,693	11,693
Balance at Sep. 30, 2024	$ 7		13,852	71,496	$ 85,355
Balance (in shares) at Sep. 30, 2024	7,334,600
Balance (in shares) at Sep. 30, 2024		(214,422)			(214,422)
Balance at Jun. 30, 2024	$ 7		12,504	65,887	$ 78,398
Balance (in shares) at Jun. 30, 2024	7,202,146
Balance (in shares) at Jun. 30, 2024		(214,422)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock			2,536		2,536
Issuance of common stock (in shares)	86,734
Stock issuance expenses			(588)		(588)
Taxes paid related to net share settlement of equity awards			(830)		(830)
Taxes paid related to net share settlement of equity awards (in shares)	(33,377)
Stock option exercises			26		26
Stock option exercises (in shares)	79,097
Stock-based compensation			204		204
Net income				5,609	5,609
Balance at Sep. 30, 2024	$ 7		$ 13,852	$ 71,496	$ 85,355
Balance (in shares) at Sep. 30, 2024	7,334,600
Balance (in shares) at Sep. 30, 2024		(214,422)			(214,422)