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Schedule of Cost, Fair Value and Maturities of Short Term Investments (Details) - USD ($) | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Marketable Securities [Line Items] |  |
Short-term investments - Cost | $ 13,002,792 | $ 29,811,069
Short-term investments - Fair Value | 12,943,814 | 29,803,095
Short-term investment maturities - Within 3 months, cost | 2,997,617 | 19,798,177
Short-term investment maturities - Within 3 months, fair value | 2,997,390 | 19,799,835
Short-term investment maturities - Between 3-12 months, cost | 10,005,175 | 10,012,892
Short-term investment maturities - Between 3-12 months, fair value | 9,946,424 | 10,003,260
Total, cost | 13,002,792 | 29,811,069
Total, fair value | 12,943,814 | 29,803,095
US Treasury Securities [Member] |  |
Marketable Securities [Line Items] |  |
Short-term investments - Cost | 10,005,175 | 14,786,982
Short-term investments - Fair Value | 9,946,424 | 14,778,705
Corporate Debt Securities [Member] |  |
Marketable Securities [Line Items] |  |
Short-term investments - Cost | 2,997,617 | 15,024,087
Short-term investments - Fair Value | $ 2,997,390 | $ 15,024,390

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