Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Series C Preferred Stock Outstanding, Conversion Shares and Future Dividends (Detail)

v3.21.2
Stockholders' Equity - Schedule of Series C Preferred Stock Outstanding, Conversion Shares and Future Dividends (Detail)
shares in Thousands
12 Months Ended
Jun. 30, 2021
$ / shares
shares
Series C-1 Preferred Shares [Member]  
Class Of Stock [Line Items]  
Number 16,564
Preferred stock | $ / shares $ 1.16
Number of conversion shares (in thousands) 14,279
Dividend Shares (in thousands) 9,995
Series C-2 Preferred Shares [Member]  
Class Of Stock [Line Items]  
Number 1,148
Preferred stock | $ / shares $ 1.214
Number of conversion shares (in thousands) 946
Dividend Shares (in thousands) 662
Series C3 Preferred Shares  
Class Of Stock [Line Items]  
Number 2,380
Preferred stock | $ / shares $ 1.15
Number of conversion shares (in thousands) 2,070
Dividend Shares (in thousands) 1,449
Preferred Stock Series C  
Class Of Stock [Line Items]  
Number 20,092
Number of conversion shares (in thousands) 17,295
Dividend Shares (in thousands) 12,106
Preferred Stock Series C | 10% - August 19, 2021 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 1,729
Preferred Stock Series C | 15% - August 19, 2022 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 2,594
Preferred Stock Series C | 20% - August 19, 2023 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 3,459
Preferred Stock Series C | 25% - August 19, 2024 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 4,324