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Short-term Investments and Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) | Mar. 31, 2024 | Dec. 31, 2023
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Financial assets and liabilities that are measured at fair value on recurring basis |  |
Short-term investments | $ 86,013,044 | $ 130,982,913
Mutual funds |  |
Financial assets and liabilities that are measured at fair value on recurring basis |  |
Short-term investments | 42,519,427 | 51,866,401
Certificates of deposit |  |
Financial assets and liabilities that are measured at fair value on recurring basis |  |
Short-term investments | 2,990,181 | 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 | 916,036 | 936,466
Fair Value, Measurements, Recurring |  |
Financial assets and liabilities that are measured at fair value on recurring basis |  |
Short-term investments | 86,013,044 | 130,982,913
Investment in affiliated entity | 2,654,269 | 2,780,287
Total assets measured at fair value | 88,667,313 | 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 | 82,106,827 | 127,056,121
Investment in affiliated entity | 2,654,269 | 2,780,287
Total assets measured at fair value | 84,761,096 | 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 | 3,906,217 | 3,926,792
Investment in affiliated entity | 0 | 0
Total assets measured at fair value | 3,906,217 | 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 | 42,519,427 | 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 | 42,519,427 | 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 | 39,587,400 | 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 | 39,587,400 | 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 | 2,990,181 | 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 | 2,990,181 | 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 | 916,036 | 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 | 916,036 | 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

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