Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands		Common Stock Outstanding [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) at Dec. 31, 2022		8,502,735
Balance at Dec. 31, 2022			$ 90	$ 16,471	$ (16,662)	$ (61)	$ 52,925	$ 52,763
Common stock repurchased* (in shares)	[1]	(213,348)
Common stock repurchased*	[1]				(3,697)			(3,697)
Net income								3,395
Stock compensation expense (in shares)		6,021
Stock compensation expense				150				150
Unrealized gain on marketable securities						126		126
Foreign currency translation adjustment						(33)		(33)
Balance (in shares) at Dec. 31, 2023		8,295,408
Balance at Dec. 31, 2023			90	16,621	(20,359)	32	56,320	52,704
Common stock repurchased* (in shares)	[1]	(519,529)
Common stock repurchased*	[1]				(7,638)			(7,638)
Net income							5,448	5,448
Stock compensation expense (in shares)		10,800
Stock compensation expense		$ 1,308	1	1,307
Unrealized gain on marketable securities						7		7
Foreign currency translation adjustment						(132)		(132)
Balance (in shares) at Dec. 31, 2024		7,786,679
Balance at Dec. 31, 2024			$ 91	$ 17,928	$ (27,997)	$ (93)	$ 61,768	$ 51,697

[1] At December 31, 2024, approximately $7,115,000 was authorized for future repurchases of our common stock.