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, 2022		8,502,735
Balance at Dec. 31, 2022			$ 90	$ 16,471	$ (16,662)	$ (61)	$ 52,925	$ 52,763
Net (loss) income							1,256	1,256
Unrealized gain (loss) on marketable securities						37		37
Foreign currency translation adjustment						(53)		(53)
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax						37		37
Foreign currency translation adjustment						(53)		(53)
Balance (in shares) at Mar. 31, 2023		8,502,735
Balance at Mar. 31, 2023			90	16,471	(16,662)	(77)	54,181	54,003
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
Net (loss) income								2,909
Unrealized gain (loss) on marketable securities								36
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax								36
Balance (in shares) at Sep. 30, 2023		8,440,356
Balance at Sep. 30, 2023			90	16,621	(18,213)	(57)	55,834	54,275
Balance (in shares) at Mar. 31, 2023		8,502,735
Balance at Mar. 31, 2023			90	16,471	(16,662)	(77)	54,181	54,003
Net (loss) income							1,875	1,875
Unrealized gain (loss) on marketable securities						(12)		(12)
Foreign currency translation adjustment						6		6
Common stock repurchased* (in shares)	[1]	(18,075)
Common stock repurchased*	[1]				(443)			$ (443)
Stock compensation expense (in shares)		6,021						150
Stock compensation expense			0	150
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax						(12)		$ (12)
Foreign currency translation adjustment						6		$ 6
Common stock repurchased, including excise tax* (in shares)	[1]	18,075
Stock compensation expense (in shares)		6,021						150
Stock compensation expense			0	150
Balance (in shares) at Jun. 30, 2023		8,490,681
Balance at Jun. 30, 2023			90	16,621	(17,105)	(83)	56,056	$ 55,579
Net (loss) income							(222)	(222)
Unrealized gain (loss) on marketable securities						11		11
Foreign currency translation adjustment						15		15
Common stock repurchased* (in shares)	[1]	(50,325)
Common stock repurchased*	[1]				(1,108)			(1,108)
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax						11		11
Foreign currency translation adjustment						15		15
Common stock repurchased, including excise tax* (in shares)	[1]	50,325
Balance (in shares) at Sep. 30, 2023		8,440,356
Balance at Sep. 30, 2023			90	16,621	(18,213)	(57)	55,834	54,275
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 (loss) income							430	430
Unrealized gain (loss) on marketable securities						5		5
Foreign currency translation adjustment						(2)		(2)
Common stock repurchased* (in shares)	[1]	(134,650)
Common stock repurchased*	[1]				(1,647)			(1,647)
Stock compensation expense				160				160
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax						5		5
Foreign currency translation adjustment						(2)		(2)
Common stock repurchased, including excise tax* (in shares)	[1]	134,650
Stock compensation expense				160				160
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 (loss) income								3,522
Unrealized gain (loss) on marketable securities								133
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax								133
Balance (in shares) at Sep. 30, 2024		7,901,148
Balance at Sep. 30, 2024			91	17,479	(25,825)	100	59,842	51,687
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
Net (loss) income							896	896
Unrealized gain (loss) on marketable securities						17		17
Foreign currency translation adjustment						(48)		(48)
Common stock repurchased* (in shares)	[1]	147,040
Common stock repurchased*	[1]				(2,091)			(2,091)
Stock compensation expense (in shares)		10,800
Stock compensation expense				424				425
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax						17		17
Foreign currency translation adjustment						(48)		(48)
Common stock repurchased, including excise tax* (in shares)	[1]	(147,040)
Stock compensation expense (in shares)		10,800
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture			1
Stock compensation expense				424				425
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
Net (loss) income							2,196	2,196
Unrealized gain (loss) on marketable securities						111		111
Foreign currency translation adjustment						(15)		(15)
Common stock repurchased* (in shares)	[1]	123,370
Common stock repurchased*	[1]				(1,728)			(1,728)
Stock compensation expense				274				274
OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax						111		111
Foreign currency translation adjustment						(15)		(15)
Common stock repurchased, including excise tax* (in shares)	[1]	(123,370)
Stock compensation expense				274				274
Balance (in shares) at Sep. 30, 2024		7,901,148
Balance at Sep. 30, 2024			$ 91	$ 17,479	$ (25,825)	$ 100	$ 59,842	$ 51,687

[1] *At September 30, 2024, approximately $9.3 million was authorized for future repurchases of our common stock.