Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Warrants (Parenthetical) (Detail)

v3.21.2
Stockholders' Equity - Schedule of Warrants (Parenthetical) (Detail) - 2020 Investor Warrant [Member]
12 Months Ended
Jun. 30, 2021
$ / shares
shares
Investor warrants exercised 4,404,000
Warrants exercise price | $ / shares $ 1.00
Exercise of warrants for cash, shares 503,000
Number of common shares called by warrants exercise 273,000