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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2022
Fair Value Disclosures [Abstract] |
Fair Value, by Balance Sheet Grouping | The cost, gross unrealized gains (losses) and fair value of marketable securities by major security type as of December 31, 2022 and 2021 were as follows:
| Investment Assets at Fair Value |  | Investment Assets at Fair Value
| As of December 31, 2022 |  | As of December 31, 2021
| Level 1 |  | Total |  | Level 1 |  | Total
Debt securities | $ | 936,563 |  |  | $ | 936,563 |  |  | $ | 959,207 |  |  | $ | 959,207 |
Equity securities | 1,253,027 |  |  | 1,253,027 |  |  | 1,828,284 |  |  | 1,828,284 |
Cash equivalents | 801 |  |  | 801 |  |  | 5,222,759 |  |  | 5,222,759 |
Total Investments at Fair Value | $ | 2,190,391 |  |  | $ | 2,190,391 |  |  | $ | 8,010,250 |  |  | $ | 8,010,250 |
| As of December 31, 2022 |  | As of December 31, 2021
| Cost |  | Unrealized Gain (Loss) |  | Fair Value |  | Cost |  | Unrealized Gain (Loss) |  | Fair Value
Marketable securities |  |  |  |  |  |  |  |  |  |  |
Debt securities | $ | 1,021,431 |  |  | $ | (84,868) |  |  | $ | 936,563 |  |  | $ | 905,470 |  |  | $ | 53,737 |  |  | $ | 959,207 |
Equity securities | 1,776,773 |  |  | (523,746) |  |  | 1,253,027 |  |  | 2,100,305 |  |  | (272,021) |  |  | 1,828,284 |
Total marketable securities |  |  |  |  | $ | 2,189,590 |  |  |  |  |  |  | $ | 2,787,491 |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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