Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.20.2
Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2020
Sep. 30, 2019
In-process research and development $ 16,094  
Property and equipment estimated useful life five years  
Series C Preferred Share Warrants [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 2,152,701 0
Series B Convertible Preferred Shares [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 162,177 162,177
Series C Convertible Preferred Shares [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 21,516,484 0
Stock options [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 6,543,569 780,000
Warrant [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 11,858,152 9,683,596