Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Outstanding Under the Legacy Plan (Detail)

v3.21.2
Stockholders' Equity - Schedule of Outstanding Under the Legacy Plan (Detail) - $ / shares
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Class of Stock [Line Items]    
Beginning balance    
Granted 5,074 1,291
Ending balance 6,392,000  
Stock options [Member]    
Class of Stock [Line Items]    
Beginning balance 1,559,000 288,000
Granted 5,074,000 1,291,000
Exercised (195,000)  
Forfeited (14,000) (19,000)
Expired (32,000) (1,000)
Ending balance 6,392,000 1,559,000
Beginning balance $ 4.61 $ 22.31
Granted 1.67 0.63
Exercised 0.61  
Forfeited 1.42 0.61
Expired 34.88 40.00
Ending balance $ 2.26 $ 4.61