Short-term Investments and Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	$ 63,117,288	$ 130,982,913
Mutual funds
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	34,415,615	51,866,401
Certificates of deposit
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	2,989,889	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	882,484	936,466
Fair Value, Measurements, Recurring
Financial assets and liabilities that are measured at fair value on recurring basis
Short-term investments	63,117,288	130,982,913
Investment in affiliated entity	2,644,226	2,780,287
Total assets measured at fair value	65,761,514	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	59,244,915	127,056,121
Investment in affiliated entity	2,644,226	2,780,287
Total assets measured at fair value	61,889,141	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	3,872,373	3,926,792
Investment in affiliated entity	0	0
Total assets measured at fair value	3,872,373	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	34,415,615	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	34,415,615	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	24,829,300	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	24,829,300	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	2,989,889	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	2,989,889	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	882,484	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	882,484	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