CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Revenue:
Royalty revenue	$ 589,897	$ 726,404	$ 1,183,158	$ 1,237,221
Total revenue	589,897	726,404	1,183,158	1,237,221
Operating costs and expenses:
Research and development	(656,557)	(933,771)	(1,535,586)	(1,878,092)
General and administrative	(657,752)	(1,130,029)	(1,314,393)	(1,964,939)
Total operating costs and expenses	(1,314,309)	(2,063,800)	(2,849,979)	(3,843,031)
Loss from operations	(724,412)	(1,337,396)	(1,666,821)	(2,605,810)
Other income (expense):
Other income (expense)	1,477	(21)	1,555	31
Interest income, net	34,232	63,447	73,422	136,696
Total other income	35,709	63,426	74,977	136,727
Net loss	$ (688,703)	$ (1,273,970)	$ (1,591,844)	$ (2,469,083)
Basic net loss per share	$ (0.45)	$ (0.83)	$ (1.03)	$ (1.60)
Diluted net loss per share	$ (0.45)	$ (0.83)	$ (1.03)	$ (1.60)
Weighted-average shares of common stock outstanding, basic	1,542,139	1,540,799	1,542,139	1,540,741
Weighted-average shares of common stock outstanding, diluted	1,542,139	1,540,799	1,542,139	1,540,741