Condensed Statements of Operations and Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Total revenue	$ 10,636	$ 15,747	$ 25,066	$ 30,593
Total cost of sales	5,420	6,554	11,690	12,970
Gross profit	5,216	9,193	13,376	17,623
Operating expenses:
Research and development	3,457	2,708	6,875	5,907
General and administrative	3,254	3,507	7,290	6,727
Sales and marketing	1,324	1,355	2,630	2,670
Total operating expenses	8,035	7,570	16,795	15,304
(Loss) income from operations	(2,819)	1,623	(3,419)	2,319
Interest expense				(63)
Other income, net	393	2,262	791	2,390
Net (loss) income before income taxes	(2,426)	3,885	(2,628)	4,646
Income tax (expense) benefit	(76)		(76)
Net (loss) income and comprehensive income	$ (2,502)	$ 3,885	$ (2,704)	$ 4,646
Net (loss) income per common share, Basic	$ (0.12)	$ 0.19	$ (0.13)	$ 0.23
Net (loss) income per common share, Diluted	$ (0.12)	$ 0.18	$ (0.13)	$ 0.22
Weighted-average shares of common stock outstanding, basic	21,566,863	20,657,404	21,409,611	20,554,769
Weighted average shares of common stock outstanding, Diluted	21,566,863	21,234,253	21,409,611	21,068,059
Product sales
Total revenue	$ 9,887	$ 13,406	$ 20,747	$ 27,183
Total cost of sales	5,235	6,090	11,238	12,213
Licensing, royalty, patent, and other revenue
Total revenue	749	2,341	4,319	3,410
Total cost of sales	$ 185	$ 464	$ 452	$ 757