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v3.20.1

Short-term Investments (Tables) | 3 Months Ended
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Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract] |
Summary of Investments | The following is a summary of available-for-sale securities as of March 31, 2020 and December 31, 2019:
|  |  | As of March 31, 2020
| Contractual Maturity (in years) | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Market Value
Mutual funds | --- |  | $ | 109,616,722 |  |  | $ | 5,000 |  |  | $ | (5,055,092 | ) |  | $ | 104,566,630 |
Corporate debt securities | --- |  | 5,175,000 |  |  | — |  |  | (1,202,700 | ) |  | 3,972,300 |
Certificates of deposit | Less than 1 |  | 3,000,000 |  |  | 41,960 |  |  | (30,000 | ) |  | 3,011,960 |
|  |  | $ | 117,791,722 |  |  | $ | 46,960 |  |  | $ | (6,287,792 | ) |  | $ | 111,550,890 |
|  |  | As of December 31, 2019
| Contractual Maturity (in years) | Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Market Value
Mutual funds | --- |  | $ | 66,599,219 |  |  | $ | 754,709 |  |  | $ | (15,911 | ) |  | $ | 67,338,017 |

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- Definition Tabular disclosure of the reconciliation of available-for-sale securities from cost basis to fair value. + References No definition available. + Details
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