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Investment in Debt Securities Available for Sale - Schedule of Cost, Fair Value and Maturities of Short Term Investments (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Short-term investments - Cost $ 2,784,002 $ 7,943,108
Short-term investments - Fair Value 2,791,868 7,985,886
Short-term investment maturities - Within 3 months, cost 2,784,002 7,943,108
Total, cost 2,784,002 7,943,108
Short-term investment maturities - Within 3 months, fair value 2,791,868 7,985,886
Total, fair value 2,791,868 7,985,886
Corporate Debt Securities [Member]    
Short-term investments - Cost 2,784,002 7,943,108
Short-term investments - Fair Value $ 2,791,868 $ 7,985,886