Condensed Statements of Income and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Total revenue	$ 13,138	$ 14,430
Total cost of sales	6,385	6,270
Gross profit	6,753	8,160
Operating expenses:
Research and development	3,356	3,418
General and administrative	3,838	4,036
Sales and marketing	1,491	1,306
Total operating expenses	8,685	8,760
Loss from operations	(1,932)	(600)
Interest income	408	439
Other income, (expense), net	388	(41)
Net income before income taxes	(1,136)	(202)
Income tax expense	(30)
Net loss and comprehensive loss	$ (1,166)	$ (202)
Net loss per common share, Basic	$ (0.05)	$ (0.01)
Net loss per common share, Diluted	$ (0.05)	$ (0.01)
Weighted-average shares of common stock outstanding, basic	22,188,114	21,252,359
Weighted average shares of common stock outstanding, Diluted	22,188,114	21,252,359
Product sales
Total revenue	$ 11,026	$ 10,860
Total cost of sales	6,029	6,002
Licensing, royalty, patent, and other revenue
Total revenue	2,112	3,570
Total cost of sales	$ 356	$ 268