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Marketable Investment Securities (Tables) | 12 Months Ended
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Dec. 31, 2021
Investments, Debt and Equity Securities [Abstract] |
Schedule of Available-for-Sale Securities | Schedule of Available-for-Sale Securities
December 31, 2021 |  | Amortized Cost |  |  | Gross unrealized holding gains |  |  | Gross unrealized holding losses |  |  | Aggregate fair value |
Government treasury bills |  | $ | 5,526,122 |  |  | $ | - |  |  | $ | (10,202 | ) |  | $ | 5,515,920 |
Corporate bonds, notes and commercial paper |  |  | 38,181,099 |  |  |  | - |  |  |  | (7,814 | ) |  |  | 38,173,285 |
|  | $ | 43,707,221 |  |  | $ | - |  |  | $ | (18,016 | ) |  | $ | 43,689,205 |
December 31, 2020 |  | Amortized Cost |  |  | Gross unrealized holding gains |  |  | Gross unrealized holding losses |  |  | Aggregate fair value |
Commercial paper |  | $ | 449,992 |  |  |  | - |  |  |  | - |  |  | $ | 449,992 |
|  | $ | 449,992 |  |  | $ | - |  |  | $ | - |  |  | $ | 449,992 |
Schedule of Maturities of Debt Securities Classified as Available-for-sale Securities | Maturities of debt securities classified as available-for-sale securities at December 31, 2021 are as follows: Schedule of Maturities of Debt Securities Classified as Available-for-sale Securities
December 31, 2021 |  | Amortized Cost |  |  | Aggregate fair value |
Due within one year |  | $ | 41,680,635 |  |  | $ | 41,667,405 |
Due after one year through two years |  |  | 2,026,586 |  |  |  | 2,021,800 |
|  | $ | 43,707,221 |  |  | $ | 43,689,205 |

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- Definition Tabular disclosure 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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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