Summary of Significant Accounting Policies - Earnings Per Share (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Summary of Significant Accounting Policies
Net loss	$ (11,417,821)	$ (12,468,547)	$ (21,163,460)	$ (17,383,940)
Weighted average common shares outstanding - basic and diluted	39,144,916	35,674,162	38,211,327	32,449,940
Basic and diluted net loss per share	$ (0.29)	$ (0.35)	$ (0.55)	$ (0.54)