Condensed Statements of Operations and Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Total revenue	$ 12,093	$ 16,466	$ 37,159	$ 47,059
Total cost of sales	6,141	6,547	17,831	19,517
Gross profit	5,952	9,919	19,328	27,542
Operating expenses:
Research and development	3,384	2,659	10,259	8,566
General and administrative	3,363	3,933	10,653	10,660
Sales and marketing	1,320	1,348	3,950	4,018
Total operating expenses	8,067	7,940	24,862	23,244
(Loss) income from operations	(2,115)	1,979	(5,534)	4,298
Interest expense				(63)
Other income, net	4,396	459	5,187	2,849
Net income (loss) before income taxes	2,281	2,438	(347)	7,084
Income tax expense	(10)		(86)
Net income (loss) and comprehensive income (loss)	$ 2,271	$ 2,438	$ (433)	$ 7,084
Net (loss) income per common share, Basic	$ 0.10	$ 0.12	$ (0.02)	$ 0.34
Net (loss) income per common share, Diluted	$ 0.10	$ 0.11	$ (0.02)	$ 0.33
Weighted-average shares of common stock outstanding, basic	21,767,380	20,848,558	21,529,738	20,653,775
Weighted average shares of common stock outstanding, Diluted	21,985,175	21,828,789	21,529,738	21,276,904
Product sales
Total revenue	$ 10,443	$ 13,543	$ 31,190	$ 40,726
Total cost of sales	5,751	5,920	16,989	18,133
Licensing, royalty, patent and other revenue
Total revenue	1,650	2,923	5,969	6,333
Total cost of sales	$ 390	$ 627	$ 842	$ 1,384