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Short-term Investments and Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Assets: |  |
Short-term investments | $ 14,235,770 | $ 28,300,232
Mutual funds |  |
Assets: |  |
Short-term investments | 10,430,252 | 24,480,709
Certificates of deposit |  |
Assets: |  |
Short-term investments | 2,989,307 | 2,989,742
U.S. agency mortgage-backed securities |  |
Assets: |  |
Short-term investments | 816,211 | 829,781
Fair Value, Measurements, Recurring |  |
Assets: |  |
Short-term investments | 14,235,770 | 28,300,232
Investment in affiliated entity | 2,495,730 | 1,613,844
Total assets measured at fair value | 16,731,500 | 29,914,076
Liabilities: |  |
Common stock warrant liabilities | 50,384,043 | 13,255,188
Total liabilities | 50,384,043 | 13,255,188
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets (Level 1) |  |
Assets: |  |
Short-term investments | 10,430,252 | 24,480,709
Investment in affiliated entity | 2,495,730 | 1,613,844
Total assets measured at fair value | 12,925,982 | 26,094,553
Liabilities: |  |
Common stock warrant liabilities | 0 | 0
Total liabilities | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Unobservable Inputs (Level 2) |  |
Assets: |  |
Short-term investments | 3,805,518 | 3,819,523
Investment in affiliated entity | 0 | 0
Total assets measured at fair value | 3,805,518 | 3,819,523
Liabilities: |  |
Common stock warrant liabilities | 0 | 0
Total liabilities | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Short-term investments | 0 | 0
Investment in affiliated entity | 0 | 0
Total assets measured at fair value | 0 | 0
Liabilities: |  |
Common stock warrant liabilities | 50,384,043 | 13,255,188
Total liabilities | 50,384,043 | 13,255,188
Fair Value, Measurements, Recurring | Mutual funds |  |
Assets: |  |
Short-term investments | 10,430,252 | 24,480,709
Fair Value, Measurements, Recurring | Mutual funds | Quoted Prices in Active Markets (Level 1) |  |
Assets: |  |
Short-term investments | 10,430,252 | 24,480,709
Fair Value, Measurements, Recurring | Mutual funds | Significant Other Unobservable Inputs (Level 2) |  |
Assets: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Mutual funds | Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Certificates of deposit |  |
Assets: |  |
Short-term investments | 2,989,307 | 2,989,742
Fair Value, Measurements, Recurring | Certificates of deposit | Quoted Prices in Active Markets (Level 1) |  |
Assets: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | Certificates of deposit | Significant Other Unobservable Inputs (Level 2) |  |
Assets: |  |
Short-term investments | 2,989,307 | 2,989,742
Fair Value, Measurements, Recurring | Certificates of deposit | Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | U.S. agency mortgage-backed securities |  |
Assets: |  |
Short-term investments | 816,211 | 829,781
Fair Value, Measurements, Recurring | U.S. agency mortgage-backed securities | Quoted Prices in Active Markets (Level 1) |  |
Assets: |  |
Short-term investments | 0 | 0
Fair Value, Measurements, Recurring | U.S. agency mortgage-backed securities | Significant Other Unobservable Inputs (Level 2) |  |
Assets: |  |
Short-term investments | 816,211 | 829,781
Fair Value, Measurements, Recurring | U.S. agency mortgage-backed securities | Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Short-term investments | $ 0 | $ 0

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