CONDENSED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Statements of Operations [Abstract]
Net sales	$ 2,579	$ 2,239
Cost of goods sold	1,257	1,155
Gross profit	1,322	1,084
Operating expenses
Selling and marketing	517	420
General and administrative	749	587
Research and development	274	246
Total operating expenses	1,540	1,253
Operating loss	(218)	(169)
Non-operating income
Interest expense	(3)	0
Interest income	74	88
Total non-operating income, net	71	88
Loss before income tax benefit	(147)	(81)
Income tax benefit	(31)	(17)
Net loss	$ (116)	$ (64)
Basic
Net loss per share	$ (0.03)	$ (0.02)
Weighted average shares	3,511,867	3,449,021
Diluted
Net loss per share	$ (0.03)	$ (0.02)
Weighted average shares	3,511,867	3,449,021