Equity incentive plans - Schedule of Restricted Stock Unit Activity (Details) |
12 Months Ended |
|---|---|
|
Dec. 31, 2021
$ / shares
shares
| |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | |
| Unvested at December 31, 2020 | shares | 35,568 |
| Granted | shares | 1,333,762 |
| Forfeited | shares | 85,680 |
| Vested | shares | 35,568 |
| Unvested at December 31, 2021 | shares | 1,248,082 |
| Unvested at December 31, 2020 | $ / shares | $ 1.00 |
| Granted | $ / shares | 3.56 |
| Vested | $ / shares | 3.55 |
| Forfeited | $ / shares | 1.00 |
| Unvested at December 31, 2021 | $ / shares | $ 3.56 |