Description of Business - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Net loss	$ 2,960,794	$ 3,801,993
Cash used in operating activities	2,112,708	2,445,025
Proceeds from exercise of warrants	7,288,275	$ 161,298
Cash balance	$ 17,400,000