Net Loss per Share - Reconciliation of Numerator and Denominator Used in Computing Basic and Diluted Net Loss per Share (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Numerator:
Net loss	$ (19,297,664)	$ (16,453,918)
Denominator:
Weighted-average shares outstanding-basic and diluted	38,099,687	27,523,463
Net loss per share, basic and diluted	$ (0.51)	$ (0.60)