Consolidated Statements of Stockholders' Equity (Unaudited) - 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, 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]	(134,650)
Common stock repurchased*	[1]				(1,647)			(1,647)
Net income							430	430
Stock compensation expense				160				160
Unrealized gain (loss) on marketable securities						5		5
Foreign currency translation adjustment						(2)		(2)
Balance (in shares) at Mar. 31, 2024		8,160,758
Balance at Mar. 31, 2024			90	16,781	(22,006)	35	56,750	51,650
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
Net income								1,326
Unrealized gain (loss) on marketable securities								22
Balance (in shares) at Jun. 30, 2024		8,024,518
Balance at Jun. 30, 2024			91	17,205	(24,097)	4	57,646	50,849
Balance (in shares) at Mar. 31, 2024		8,160,758
Balance at Mar. 31, 2024			90	16,781	(22,006)	35	56,750	51,650
Common stock repurchased* (in shares)		(147,040)
Common stock repurchased*					(2,091)			(2,091)
Net income							896	896
Stock compensation expense			1	424				425
Unrealized gain (loss) on marketable securities						17		17
Foreign currency translation adjustment						(48)		(48)
Stock compensation expense (in shares)		10,800
Balance (in shares) at Jun. 30, 2024		8,024,518
Balance at Jun. 30, 2024			91	17,205	(24,097)	4	57,646	50,849
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
Net income							1,906	1,906
Stock compensation expense			1	472				473
Unrealized gain (loss) on marketable securities						(1)		(1)
Foreign currency translation adjustment						(17)		(17)
Balance (in shares) at Mar. 31, 2025		7,786,679
Balance at Mar. 31, 2025			92	18,400	(27,997)	(111)	63,674	54,058
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
Net income								3,890
Unrealized gain (loss) on marketable securities								51
Balance (in shares) at Jun. 30, 2025		7,792,382
Balance at Jun. 30, 2025			92	19,022	(27,997)	(459)	65,658	56,316
Balance (in shares) at Mar. 31, 2025		7,786,679
Balance at Mar. 31, 2025			92	18,400	(27,997)	(111)	63,674	54,058
Net income							1,984	1,984
Stock compensation expense			0	622				622
Unrealized gain (loss) on marketable securities						52		52
Foreign currency translation adjustment						(400)		(400)
Stock compensation expense (in shares)		5,703
Balance (in shares) at Jun. 30, 2025		7,792,382
Balance at Jun. 30, 2025			$ 92	$ 19,022	$ (27,997)	$ (459)	$ 65,658	$ 56,316

[1] At June 30, 2025, approximately $7.1 million was authorized for future repurchases of our common stock.