Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) [Abstract]
Net sales	$ 17,351	$ 17,542	$ 53,913	$ 55,384
Cost of sales	7,329	6,604	22,953	21,707
Gross profit	10,022	10,938	30,960	33,677
Operating expenses	10,289	10,058	30,515	31,027
Income (loss) from operations	(267)	880	445	2,650
Other income (expense):
Interest income	85	0	266	0
Other, net	(1)	(43)	(38)	(80)
Total other income (expense)	84	(43)	228	(80)
Income (loss) before income taxes	(183)	837	673	2,570
Income tax provision (benefit)	(51)	201	178	739
Net income (loss)	(132)	636	495	1,831
Foreign currency translation adjustments, net of tax	34	(185)	244	(294)
Comprehensive income (loss)	$ (98)	$ 451	$ 739	$ 1,537
Net income (loss) per common share:
Basic (in dollars per share)	$ (0.02)	$ 0.08	$ 0.06	$ 0.22
Diluted (in dollars per share)	$ (0.02)	$ 0.08	$ 0.06	$ 0.22
Weighted average number of shares outstanding:
Basic (in shares)	8,422,514	8,329,676	8,412,923	8,318,257
Diluted (in shares)	8,514,153	8,404,741	8,511,899	8,353,447