Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Revenues
Royalty revenue	$ 40,725,185	$ 27,401,919
Grant and contract revenue	7,060,293	2,223,262
Total revenue	47,785,478	29,625,181
Operating expenses
General and administrative	12,152,935	11,742,540
Research and development	16,833,537	9,240,020
Sales and marketing	4,576,263	4,686,932
Royalty expenses	9,066,432	6,196,706
Total operating expenses	42,629,167	31,866,198
Income (loss) from operations	5,156,311	(2,241,017)
Other income (expense)
Interest income, net	11,402	93,877
Interest expense	(2,128,962)	(131,007)
Loss on foreign exchange	(5,691)	(8,981)
Total other income (expense)	(2,123,251)	(46,111)
Income (loss) before income taxes	3,033,060	(2,287,128)
Income tax (expense) benefit	(24,270)	425,679
Net income (loss)	3,008,790	(1,861,449)
Other comprehensive income (loss)
Foreign currency translation adjustments	(27,884)	(26,931)
Total comprehensive income (loss)	$ 2,980,906	$ (1,888,380)
Income (loss) per share of common stock:
Basic (in dollars per share)	$ 0.68	$ (0.44)
Diluted (in dollars per share)	$ 0.51	$ (0.44)
Weighted average common stock outstanding
Basic (in shares)	4,456,162	4,249,832
Diluted (in shares)	5,920,069	4,249,832