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Stock-Based Compensation (Tables)	6 Months Ended
Stock-Based Compensation (Tables)	Jun. 30, 2022
Stock-Based Compensation [Abstract]
Summary of Stock Option Activity	Number of Stock Options Outstanding Weighted Price Per Share Weighted Contractual Term (years) Aggregate Intrinsic Value (in thousands) Balance at December 31, 2021 21,387,909 $ 5.25 7.4 $ 49,684 Granted 1,024,221 3.26 Exercised (1,013,541) (3.40) Forfeited (1,058,728) (7.36) Balance at June 30, 2022 20,339,861 $ 5.12 7.3 $ 8,648 Options vested and exercisable at June 30, 2022 13,669,426 $ 4.50 6.9 $ 7,879
Summary of Restricted Stock Activity	Number of Shares Weighted Average Grant Date Fair Value Per Share Unvested at December 31, 2021 — $ — Issued 300,000 3.76 Unvested at June 30, 2022 300,000 $ 3.76
Schedule of Stock-Based Compensation Expense for Stock Options	Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 General and administrative $ 1,008 $ 597 $ 2,379 $ 3,867 Research and development 818 205 1,625 375 Total stock-based compensation expense $ 1,826 $ 802 $ 4,004 $ 4,242