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Investments in Debt Securities Available for Sale - Schedule of Cost, Fair Value and Maturities of Short Term Investments (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Short-term investments - Cost | $ 7,943,108 | $ 14,228,126
Short-term investments - Fair Value | 7,985,886 | 14,257,998
Short-term investment maturities - Within 3 months, cost | 7,943,108 | 5,383,488
Short-term investment maturities - Between 3-12 months, cost |  | 8,844,638
Total, cost | 7,943,108 | 14,228,126
Short-term investment maturities - Within 3 months, fair value | 7,985,886 | 5,393,743
Short-term investment maturities - Between 3-12 months, fair value |  | 8,864,255
Total, fair value | 7,985,886 | 14,257,998
Corporate Debt Securities [Member] |  |
Short-term investments - Cost | 7,943,108 | 14,228,126
Short-term investments - Fair Value | $ 7,985,886 | $ 14,257,998

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling three to twelve months. + References No definition available. + Details
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling three to twelve months. + References No definition available. + Details
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- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next rolling three months. + References No definition available. + Details
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