Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Consolidated Statements of Operations and Comprehensive Income [Abstract]
Net sales	$ 19,036	$ 19,275
Cost of sales	8,318	8,355
Gross profit	10,718	10,920
Operating expenses	10,456	10,271
Income from operations	262	649
Other income (expense):
Interest income	190	84
Gain on disposal of Headquarter (see footnote 8)	17,676	0
Other, net (see footnote 8)	(1,273)	(26)
Total other income	16,593	58
Income before income taxes	16,855	707
Income tax provision	4,179	182
Net income	12,676	525
Foreign currency translation adjustments, net of tax	(288)	170
Comprehensive income	$ 12,388	$ 695
Net income per common share:
Basic (in dollars per share)	$ 1.49	$ 0.06
Diluted (in dollars per share)	$ 1.47	$ 0.06
Weighted average number of shares outstanding:
Basic (in shares)	8,501,204	8,400,354
Diluted (in shares)	8,595,320	8,500,354