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Short-Term Investments (Tables) | 6 Months Ended
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Jun. 30, 2023
Investments Debt And Equity Securities [Abstract] |
Summary of Short-Term Investments by Significant Investment Category | The Company’s short-term investments by significant investment category as of June 30, 2023, were as follows:
Description |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Accrued Interest |  |  | Estimated Fair Value |
Level 1: (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash alternatives |  | $ | 2,431,672 |  |  | $ | 25,066 |  |  | $ | - |  |  | $ | 3,268 |  |  | $ | 2,460,006 |
Certificates of deposit |  |  | 6,806,683 |  |  |  | - |  |  |  | (9,244 | ) |  |  | 64,011 |  |  |  | 6,861,450 |
|  | $ | 9,238,355 |  |  | $ | 25,066 |  |  | $ | (9,244 | ) |  | $ | 67,279 |  |  | $ | 9,321,456 |
(1) Level 1 fair value estimates are based on quoted prices in active markets for identical assets or liabilities. The Company’s short-term investments by significant investment category as of December 31, 2022, were as follows:
Description |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Accrued Interest |  |  | Estimated Fair Value |
Level 1: (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash alternatives |  | $ | 5,139,940 |  |  | $ | 22,646 |  |  | $ | - |  |  | $ | 3,506 |  |  | $ | 5,166,092 |
Certificates of deposit |  |  | 4,950,527 |  |  |  | - |  |  |  | (7,691 | ) |  |  | 14,607 |  |  |  | 4,957,443 |
|  | $ | 10,090,467 |  |  | $ | 22,646 |  |  | $ | (7,691 | ) |  | $ | 18,113 |  |  | $ | 10,123,535 |
(1) Level 1 fair value estimates are based on quoted prices in active markets for identical assets or liabilities.

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
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