Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues:
Total revenue	$ 837,159	$ 658,553	$ 1,815,211	$ 1,306,980
Costs and expenses:
Costs of research and development revenue	792,944	411,109	1,519,862	815,855
Research and development	917,552	1,830,798	1,728,118	3,173,660
General and administrative	1,402,569	1,714,029	2,882,609	3,369,729
Foreign currency exchange loss	14,521	20,621	25,543	10,373
Total costs and expenses	3,127,586	3,976,557	6,156,132	7,369,617
Loss from operations	(2,290,427)	(3,318,004)	(4,340,921)	(6,062,637)
Other income:
Interest income	109,194	30,009	213,925	32,977
Other income	28,273	0	1,017,592	250,000
Total other income	137,467	30,009	1,231,517	282,977
Net loss	$ (2,152,960)	$ (3,287,995)	$ (3,109,404)	$ (5,779,660)
Basic and diluted net loss per common share (in dollars per share)	$ (0.07)	$ (0.12)	$ (0.11)	$ (0.20)
Basic and diluted weighted-average common shares outstanding (in shares)	28,811,061	28,264,157	28,786,402	28,257,776
Research and Development [Member]
Revenues:
Total revenue	$ 793,042	$ 614,435	$ 1,726,976	$ 1,148,156
License [Member]
Revenues:
Total revenue	$ 44,117	$ 44,118	$ 88,235	$ 158,824