Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Income Tax Disclosure [Abstract]
Loss before income taxes	$ (28,978,763)	$ (22,000,556)
Increase (decrease) in valuation allowance	6,100,000
Gross federal net operating loss carryforwards	95,800,000
Reduction in payroll taxes	177,000	170,000
Gross federal research and development tax credit carryforwards	1,700,000
Gross unrecognized tax benefits	$ 558,962	$ 318,394	$ 126,838