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Stock-Based Compensation - Summary of Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 30, 2023
USD ($)
$ / shares
shares
Stock Options  
Beginning balance (in shares) | shares 5,610,893
Granted (in shares) | shares 1,793,600
Forfeited (in shares) | shares (12,000)
Expired (in shares) | shares (2,104)
Ending balance (in shares) | shares 7,390,389
Vested and exercisable (in shares) | shares 3,285,716
Weighted Average Exercise Price  
Beginning balance (in dollars per share) | $ / shares $ 3.36
Granted (in dollars per share) | $ / shares 5.90
Forfeited (in dollars per share) | $ / shares 3.23
Expired (in dollars per share) | $ / shares 22.39
Ending balance (in dollars per share) | $ / shares 3.97
Vested and exercisable (in dollars per share) | $ / shares $ 2.80
Weighted Average Remaining Contractual Life (in years)  
Outstanding balance (in years) 8 years 1 month 6 days
Vested and exercisable (in years) 7 years 2 months 12 days
Ending balance, aggregate intrinsic value | $ $ 12,580
Vested and exercisable, aggregate intrinsic value | $ $ 8,819