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Fair Value Measurements (Details 1) - Fair Value, Recurring - USD ($) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Debt securities, fair value | $ 0 | $ 936,563
Equity securities, fair value | 0 | 1,253,027
Level 1 |  |
Debt securities, cost | 0 | 1,021,431
Debt securities, unrealized gain (loss) | 0 | (84,868)
Debt securities, fair value | 0 | 936,563
Equity securities, cost | 0 | 1,776,773
Equity securities, unrealized gain (loss) | 0 | 523,746
Equity securities, fair value | $ 0 | 1,253,027
Total marketable securities |  | $ 2,189,590

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- Definition Amortized cost 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/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479130/326-30-45-1 + Details
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