Annual report pursuant to Section 13 and 15(d)

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

v3.21.2
Stockholders' Equity - Schedule of Outstanding Series C Agent Warrants (Detail) - Series C Warrants [Member]
12 Months Ended
Jun. 30, 2021
$ / shares
shares
Number 2,444
Number of conversion shares (in thousands) 2,100,000
Cumulative common stock dividends (in thousands) 1,470,000
Series 1 Warrants Outstanding  
Number 1,929
Warrants exercise price | $ / shares $ 1.16
Number of conversion shares (in thousands) 1,663,000
Cumulative common stock dividends (in thousands) 1,164,000
Series 2 Warrants Outstanding Member  
Number 219
Warrants exercise price | $ / shares $ 1.21
Number of conversion shares (in thousands) 180,000
Cumulative common stock dividends (in thousands) 126,000
Series 3 Warrants Outstanding  
Number 296
Warrants exercise price | $ / shares $ 1.15
Number of conversion shares (in thousands) 257,000
Cumulative common stock dividends (in thousands) 180,000