Warrant liabilities (Details) |
9 Months Ended | |||
|---|---|---|---|---|
|
Sep. 30, 2022
$ / shares
|
May 13, 2022
$ / shares
|
Aug. 13, 2021
$ / shares
|
Mar. 15, 2019
$ / shares
|
|
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Exercise price (in dollars per share) | $ 16.00 | |||
| Put Price (in dollars per share) | $ 16.00 | $ 10.00 | ||
| Class Of Warrant Or Right, 50% Utilization Warrant | ||||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||||
| Trading price of common stock on measurement date (in dollars per share) | 6.52 | |||
| Exercise price (in dollars per share) | $ 16.00 | |||
| Risk-free interest rate | 0.0293 | |||
| Warrant life in years | 7 years | |||
| Expected volatility | 0.5000 | |||
| Expected dividend yield (in dollars per share) | $ 0 | |||
| Put Price (in dollars per share) | $ 2.06 |