Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail)	12 Months Ended
	Mar. 31, 2021 USD ($) Number	Mar. 31, 2020 USD ($)
Significant Accounting Policies [Line Items]
Cash equivalents	$ 0	$ 0
Cash and cash equivalents	107,516,420	26,700,416
Cash in excess of FDIC insured limit of $250000 amount	$ 107,300,000	26,400,000
Number of operating segment | Number	1
Accounting Standards Update 2018-13 [Member]
Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Apr. 01, 2020
Change in accounting principle, accounting standards update, immaterial effect	true
Accounting Standards Update 2016-13 [Member]
Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Apr. 01, 2021
Change in accounting principle, accounting standards update, immaterial effect	true
Accounting Standards Update 2020-06 [Member]
Significant Accounting Policies [Line Items]
Change in accounting principle, accounting standards update, adopted	true
Change in accounting principle, accounting standards update, adoption date	Apr. 01, 2021
Change in accounting principle, accounting standards update, immaterial effect	true
Equipment [Member]
Significant Accounting Policies [Line Items]
Useful life	3 years
Furniture and Fixtures [Member]
Significant Accounting Policies [Line Items]
Useful life	3 years
Prepaid and Other Current Assets [Member]
Significant Accounting Policies [Line Items]
Prepaid insurance	$ 1,000,000	$ 800,000