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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2023
Fair Value Disclosures [Abstract] |
Schedule of Investments and Assets at Fair Value | The following table summarizes our cash equivalents and marketable securities measured at fair value. Certain marketable securities consist of investments in debt and equity securities. We classify our cash equivalents and marketable securities within Level 1 because we use observable inputs that reflect quoted market prices for identical assets in active markets to determine their fair value. We have classified debt securities as available for sale securities with unrealized gains and losses recorded as other comprehensive income. We have classified equity securities as trading and are marked to market with changes recorded as other income on the income statement. Any interest income or dividends are recorded within financing expense, net on the income statement.
| Investment Assets at Fair Value |  | Investment Assets at Fair Value
| As of September 30, 2023 |  | As of December 31, 2022
| Level 1 |  | Total |  | Level 1 |  | Total
Debt securities | $ | — |  |  | $ | — |  |  | $ | 936,563 |  |  | $ | 936,563 |
Equity securities | — |  |  | — |  |  | 1,253,027 |  |  | 1,253,027 |
Cash equivalents | 68,474 |  |  | 68,474 |  |  | 801 |  |  | 801 |
Total Investments at Fair Value | $ | 68,474 |  |  | $ | 68,474 |  |  | $ | 2,190,391 |  |  | $ | 2,190,391 |
The cost, gross unrealized gains (losses) and fair value of marketable securities by major security type were as follows:
|  |  |  |  | As of December 31, 2022
|  |  |  |  |  |  |  |  |  |  |  |  | Cost |  | Unrealized Gain (Loss) |  | Fair Value
Marketable securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt securities |  |  |  |  |  |  |  |  |  |  |  |  | $ | 1,021,431 |  |  | $ | (84,868) |  |  | $ | 936,563 |
Equity securities |  |  |  |  |  |  |  |  |  |  |  |  | 1,776,773 |  |  | (523,746) |  |  | 1,253,027 |
Total marketable securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ | 2,189,590 |

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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 -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482907/825-10-50-11 + Details
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