Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details) - Additional information (Detail)

v3.20.2
Summary of Significant Accounting Policies (Details) - Additional information (Detail) - USD ($)
May 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Number of securities called by warrants or rights   5,750,000  
Cash equivalents   $ 0 $ 0
Warrant [Member] | IPO [Member]      
Number of securities called by warrants or rights 5,750,000 5,750,000  
Initial public offering terms and conditions of unit one share of common stock and a warrant to purchase one half of one share of common stock