Fair Value - Schedule of Fair Value Assets Measured on Recurring Basis (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cash equivalents	$ 39,303,609	$ 10,547,628
Marketable securities	15,119,925	18,412,500
Fair Value Measurements, Recurring Basis
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cash equivalents	39,303,609	10,547,628
Marketable securities	15,119,925	18,412,500
Total	54,423,534	28,960,128
Fair Value Measurements, Recurring Basis | Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Cash equivalents	39,303,609	10,547,628
Total	39,303,609	10,547,628
Fair Value Measurements, Recurring Basis | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Marketable securities	15,119,925	18,412,500
Total	$ 15,119,925	$ 18,412,500