Stockholders' equity - Schedule of warrants or rights (Detail) |
3 Months Ended |
---|---|
Sep. 30, 2022
$ / shares
shares
| |
Outstanding, beginning of period | shares | 107,095 |
Outstanding, ending of period | shares | 42,088,194 |
Exercisable at September 30, 2022 | shares | 12,278,723 |
Exercise price of class of warrants or rights outstanding | $ / shares | $ 10.5 |
Exercise price of class of warrants or rights outstanding | $ / shares | 0.49 |
Exercisable at September 30, 2022 | $ / shares | $ 0.09 |
Series 2 Warrants [Member] | |
Series 2 Warrants issued September 15, 2022 | shares | 29,809,471 |
Series 2 Warrants issued September 15, 2022 | $ / shares | $ 0.66 |
Pre Funded Warrants [Member] | |
Pre-funded warrants issued | shares | 12,171,628 |
Pre-funded warrants issued | $ / shares | $ 0.0001 |