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Fair Value Measurements - Summary of Cash Equivalents and Marketable Securities (Details) - Fair Value, Recurring - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, fair value | $ 936,563 | $ 959,207
Equity securities, fair value | 1,253,027 | 1,828,284
Level 1 |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Debt securities, cost | 1,021,431 | 905,470
Debt securities, unrealized gain (loss) | (84,868) | 53,737
Debt securities, fair value | 936,563 | 959,207
Equity securities, cost | 1,776,773 | 2,100,305
Equity securities, unrealized gain (loss) | (523,746) | (272,021)
Equity securities, fair value | 1,253,027 | 1,828,284
Total marketable securities | $ 2,189,590 | $ 2,787,491

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