Quarterly report pursuant to Section 13 or 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
3 Months Ended
Sep. 30, 2021
$ / shares
shares
Series C-1 Preferred Shares [Member]  
Class Of Stock [Line Items]  
Number 15,439
Conversion price | $ / shares $ 1.16
Number of conversion shares (in thousands) 13,310
Dividend Shares (in thousands) 9,414
Series C-2 Preferred Shares [Member]  
Class Of Stock [Line Items]  
Number 898
Conversion price | $ / shares $ 1.214
Number of conversion shares (in thousands) 740
Dividend Shares (in thousands) 518
Series C-3 Preferred Shares [Member]  
Class Of Stock [Line Items]  
Number 2,045
Conversion price | $ / shares $ 1.15
Number of conversion shares (in thousands) 1,778
Dividend Shares (in thousands) 1,263
Preferred Stock Series C  
Class Of Stock [Line Items]  
Number 18,382
Number of conversion shares (in thousands) 15,828
Dividend Shares (in thousands) 11,195
Preferred Stock Series C | 10% - August 19, 2021 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 1,698
Preferred Stock Series C | 15% - August 19, 2022 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 2,374
Preferred Stock Series C | 20% - August 19, 2023 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 3,166
Preferred Stock Series C | 25% - August 19, 2024 [Member]  
Class Of Stock [Line Items]  
Dividend Shares (in thousands) 3,957