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Short-term Investments and Fair Value Measurements - Narrative (Details) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 USD ($) position shares | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) position shares | Sep. 30, 2021 USD ($)
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Realized gain on investments | $ 1,000 | $ 22,000 | $ 21,000 | $ 380,000
Realized loss on investments | 945,000 | 58,000 | 1,300,000 | 262,000
Unrealized loss | 1,800,000 | 455,000 | 10,600,000 | 1,200,000
Net unrealized loss on available-for-sale equity securities | $ (1,833,284) | $ (455,299) | $ (10,641,026) | $ (1,166,764)
Number of securities in a gross unrealized loss position | position | 33 |  | 33 |
Number of securities in a gross unrealized loss position for more than twelve months | position | 16 |  | 16 |
Unrealized loss |  |  | $ 5,800,000 |
Level 1 | Common stock |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |
Investment owned (in shares) | shares | 597,808 |  | 597,808 |

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