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Short-Term Investments - Summary of Short-Term Investments by Significant Investment Category (Details) - Level 1 - USD ($) | Mar. 31, 2022 | Dec. 31, 2021
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Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | $ 13,485,972 | $ 14,469,586
Gross Unrealized Losses | 17,056 | 11,060
Accrued Interest | 71,494 | 77,224
Estimated Fair Value | 13,540,410 | 14,535,750
Cash Alternatives |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 2,562,408 | 2,172,853
Estimated Fair Value | 2,562,408 | 2,172,853
Certificates of Deposit |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 579,176 | 591,968
Gross Unrealized Losses | 4,679 | 3,294
Accrued Interest | 795 | 1,222
Estimated Fair Value | 575,292 | 589,896
Corporate Bonds and Notes |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 3,172,170 | 4,293,722
Gross Unrealized Losses | 7,450 | 5,432
Accrued Interest | 23,685 | 46,820
Estimated Fair Value | 3,188,405 | 4,335,110
Municipal Securities |  |
Schedule Of Available For Sale Securities [Line Items] |  |
Amortized Cost | 7,172,218 | 7,411,043
Gross Unrealized Losses | 4,927 | 2,334
Accrued Interest | 47,014 | 29,182
Estimated Fair Value | $ 7,214,305 | $ 7,437,891

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