Fair Value Measurement - Summary of Fair Value Measurements Convertible Notes Valuation Assumptions (Details) - $ / shares |
3 Months Ended | 12 Months Ended |
---|---|---|
Mar. 31, 2023 |
Dec. 31, 2022 |
|
Convertible notes | Level 3 | ||
Fair Value Measurement | ||
Risk-free interest rate (in percent) | 4.37% | 4.24% |
Volatility (in percent) | 90.00% | 105.00% |
Contractual term (years) | 1 year 7 months 6 days | 1 year 10 months 24 days |
Stock price | $ 0.69 | $ 0.68 |
Convertible notes | Minimum | Level 3 | ||
Fair Value Measurement | ||
Risk-free interest rate (in percent) | 4.24% | |
Volatility (in percent) | 105.00% | |
Stock options | Minimum | ||
Fair Value Measurement | ||
Contractual term (years) | 5 years | |
Stock options | Maximum | ||
Fair Value Measurement | ||
Contractual term (years) | 6 years |