Stock Based Compensation - Summary of Weighted Average Assumptions Used in Valuing Plans (Details) - $ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] | ||
| Fair value at grant date | $ 1.32 | $ 0.98 |
| Expected volatility | 80.20% | 134.20% |
| Risk-free interest rate | 0.70% | 0.70% |
| Expected holding period, in years | 6 years | 6 years 1 month 6 days |
| Dividend yield | ||