Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) [Abstract]
Net sales	$ 17,542	$ 19,057	$ 55,384	$ 57,967
Cost of sales	6,604	7,461	21,707	23,939
Gross profit	10,938	11,596	33,677	34,028
Operating expenses	10,058	10,620	31,027	32,959
Income from operations	880	976	2,650	1,069
Other (income) expense:
Interest expense	0	1	0	11
Other, net	43	(6)	80	1
Total other expense (income)	43	(5)	80	12
Income before income taxes	837	981	2,570	1,057
Provision for income taxes	201	258	739	278
Net Income	636	723	1,831	779
Foreign currency translation adjustments, net of tax	(185)	(441)	(294)	(629)
Comprehensive income	$ 451	$ 282	$ 1,537	$ 150
Net income per common share:
Basic (in dollars per share)	$ 0.08	$ 0.09	$ 0.22	$ 0.09
Diluted (in dollars per share)	$ 0.08	$ 0.09	$ 0.22	$ 0.09
Weighted average number of shares outstanding:
Basic (in shares)	8,329,676	8,235,610	8,318,257	8,361,959
Diluted (in shares)	8,404,741	8,272,557	8,353,447	8,383,558