Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Detail)

v3.21.2
Significant Accounting Policies - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Sep. 30, 2021
Sep. 30, 2020
In-process research and development $ 16,094 $ 16,094
Property, equipment and intangibles estimated useful life 3 years  
Series C Preferred Share Warrants [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 2,100 2,153
Series B Convertible Preferred Shares [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding   162
Series C Convertible Preferred Shares [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 15,828 21,516
Stock options [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 6,809 6,544
Warrant [Member]    
Anti-dilutive warrants, stock options, performance stock units, and convertible preferred shares related to outstanding 19,152 11,858