Short-term Investments and Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	$ 76,029,116	$ 130,982,913
Mutual funds
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	42,498,607	51,866,401
Certificates of deposit
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	2,990,036	2,990,326
U.S. agency mortgage-backed securities
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	866,373	936,466
Fair Value, Measurements, Recurring
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	76,029,116	130,982,913
Investment in affiliated entity	2,319,975	2,780,287
Total assets measured at fair value	78,349,091	133,763,200
Fair Value, Measurements, Recurring \| Quoted Prices in Active Markets (Level 1)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	72,172,707	127,056,121
Investment in affiliated entity	2,319,975	2,780,287
Total assets measured at fair value	74,492,682	129,836,408
Fair Value, Measurements, Recurring \| Significant Other Unobservable Inputs (Level 2)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	3,856,409	3,926,792
Investment in affiliated entity	0	0
Total assets measured at fair value	3,856,409	3,926,792
Fair Value, Measurements, Recurring \| Significant Unobservable Inputs (Level 3)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Investment in affiliated entity	0	0
Total assets measured at fair value	0	0
Fair Value, Measurements, Recurring \| Mutual funds
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	42,498,607	51,866,401
Fair Value, Measurements, Recurring \| Mutual funds \| Quoted Prices in Active Markets (Level 1)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	42,498,607	51,866,401
Fair Value, Measurements, Recurring \| Mutual funds \| Significant Other Unobservable Inputs (Level 2)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Fair Value, Measurements, Recurring \| Mutual funds \| Significant Unobservable Inputs (Level 3)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Fair Value, Measurements, Recurring \| U.S. treasury securities
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	29,674,100	75,189,720
Fair Value, Measurements, Recurring \| U.S. treasury securities \| Quoted Prices in Active Markets (Level 1)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	29,674,100	75,189,720
Fair Value, Measurements, Recurring \| U.S. treasury securities \| Significant Other Unobservable Inputs (Level 2)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Fair Value, Measurements, Recurring \| U.S. treasury securities \| Significant Unobservable Inputs (Level 3)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Fair Value, Measurements, Recurring \| Certificates of deposit
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	2,990,036	2,990,326
Fair Value, Measurements, Recurring \| Certificates of deposit \| Quoted Prices in Active Markets (Level 1)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Fair Value, Measurements, Recurring \| Certificates of deposit \| Significant Other Unobservable Inputs (Level 2)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	2,990,036	2,990,326
Fair Value, Measurements, Recurring \| Certificates of deposit \| Significant Unobservable Inputs (Level 3)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Fair Value, Measurements, Recurring \| U.S. agency mortgage-backed securities
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	866,373	936,466
Fair Value, Measurements, Recurring \| U.S. agency mortgage-backed securities \| Quoted Prices in Active Markets (Level 1)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	0	0
Fair Value, Measurements, Recurring \| U.S. agency mortgage-backed securities \| Significant Other Unobservable Inputs (Level 2)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	866,373	936,466
Fair Value, Measurements, Recurring \| U.S. agency mortgage-backed securities \| Significant Unobservable Inputs (Level 3)
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	$ 0	$ 0