Net Loss Per Common Share - Schedule of Basic and Diluted Net Loss Per Share (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Basic and diluted net loss per common share calculation
Net loss	$ (28,978,763)	$ (22,000,556)
Weighted average common shares outstanding — basic and diluted	134,250,722	114,533,102
Net loss per share of common stock — basic and diluted	$ (0.22)	$ (0.19)