Commitments and contingencies - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | |
---|---|---|
Dec. 31, 2022 |
Dec. 31, 2021 |
|
Commitments and contingencies: | ||
Weighted average remaining lease term | 2 years 8 months 23 days | |
Weighted average discount rate | 11.00% | |
Rent expense | $ 0.9 | $ 0.9 |
Minimum | ||
Commitments and contingencies: | ||
Weighted average discount rate | 5.25% | |
Maximum | ||
Commitments and contingencies: | ||
Weighted average discount rate | 15.00% |