Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Outstanding Series C Preferred Stock Warrants (Detail)

v3.21.2
Stockholders' Equity - Schedule of Outstanding Series C Preferred Stock Warrants (Detail) - Series C Warrants [Member]
12 Months Ended
Jun. 30, 2021
warrant
$ / shares
shares
Number of Warrants Issued | warrant 2,504
Number of Warrants Exercised (60)
Balance 2,444
Issuance of Preferred Series C-1 Agent Warrants [Member]  
Number of Warrants Issued | warrant 1,959
Number of Warrants Exercised (30)
Balance 1,929
Warrants exercise price | $ / shares $ 1.16
Issuance of Preferred Series C-2 Agent Warrants [Member]  
Number of Warrants Issued | warrant 219
Balance 219
Warrants exercise price | $ / shares $ 1.21
Issuance of Preferred Series C-3 Agent Warrants [Member]  
Number of Warrants Issued | warrant 326
Number of Warrants Exercised (30)
Balance 296
Warrants exercise price | $ / shares $ 1.15