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Investment in Debt Securities Available for Sale - Schedule of Cost, Fair Value and Maturities of Short Term Investments (Details) - USD ($)
Mar. 31, 2021
Dec. 31, 2020
Short-term investments - Cost $ 14,998,260
Short-term investments - Fair Value 15,000,045
Short-term investment maturities - Within 3 months, cost 8,998,879
Short-term investment maturities - Between 3-12 months, cost 5,999,381
Total, cost 14,998,260
Short-term investment maturities - Within 3 months, fair value 8,999,790
Short-term investment maturities - Between 3-12 months, fair value 6,000,255
Total, fair value 15,000,045
Corporate Debt Securities [Member]    
Short-term investments - Cost 14,998,260
Short-term investments - Fair Value $ 15,000,045