Condensed Statements of Operations (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues:
Total net revenues	$ 7,966	$ 5,304
Cost of sales:
Total cost of sales	2,959	1,958
Gross profit	5,007	3,346
Operating expenses:
Research and development	651	535
General and administrative	5,156	5,345
Total operating expenses	5,807	5,880
Loss from operations	(800)	(2,534)
Other income (expense):
Other income	0	0
Interest expense, net	(11)	(126)
Total other income (expense)	(11)	(126)
Loss before income tax expense	(811)	(2,660)
Income tax expense	0	0
Net loss	$ (811)	$ (2,660)
Net loss per share, basic (in dollars per share)	$ (0.03)	$ (0.1)
Weighted average number of common shares outstanding, basic (in shares)	25,763	25,525
Net loss per share, diluted (in dollars per share)	$ (0.03)	$ (0.1)
Weighted average number of common shares outstanding, diluted (in shares)	25,763	25,525
License [Member]
Revenues:
Total net revenues	$ 0	$ 0
Cost of sales:
Total cost of sales	0	0
Product Sales and Royalties [Member]
Revenues:
Total net revenues	7,966	5,304
Cost of sales:
Total cost of sales	$ 2,959	$ 1,958