Organization and Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Revenue recognized	$ 41,883	$ 3,117,545
Investment impairment charges	0
Short-term investments	9,848,430		$ 9,735,930
Cash and cash equivalents	18,389,659		22,326,356
Research and development	47,500,000
U.S. Government Backed Securities [Member]
Short-term investments	9,800,000
IPO [Member] | U.S. Treasury bills [Member]
Proceeds from initial public offering	9,800,000
Wugen License [Member]
Revenue recognized	41,883
Investments	$ 1,600,000		$ 1,600,000