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Investment in Debt Securities Available for Sale - Schedule of Cost, Fair Value and Maturities of Short Term Investments (Details) - USD ($) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Short-term investments - Cost |  | $ 7,943,108
Short-term investments - Fair Value |  | 7,985,886
Short-term investment maturities - Within 3 months, cost |  | 7,943,108
Short-term investment maturities - Between 3-12 months, cost |  |
Total, cost |  | 7,943,108
Short-term investment maturities - Within 3 months, fair value |  | 7,985,886
Short-term investment maturities - Between 3-12 months, fair value |  |
Total, fair value |  | 7,985,886
Corporate Debt Securities [Member] |  |
Short-term investments - Cost |  | 7,943,108
Short-term investments - Fair Value |  | $ 7,985,886

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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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- 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=120252992&loc=SL120269850-112803 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27198-111563 + Details
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