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Stockholders' Equity - Summary of Warrant Activity (Details)
 9 Months Ended
Sep. 30, 2021
$ / shares
shares
Warrants outstanding [Roll Forward]  
Outstanding, beginning of period (in shares) | shares 4,236,687
Warrants issued (in shares) | shares 127,755
Warrants exercised (in shares) | shares (469,933)
Outstanding, end of period (in shares) | shares 3,894,509
Exercisable, end of period (in shares) | shares 3,894,509
Warrants, Exercise Price per Share [Roll Forward]  
Outstanding, beginning of period (in dollars per share) | $ / shares $ 9.13
Outstanding, ending of period (in dollars per share) | $ / shares 9.27
Warrants issued (in dollars per share) | $ / shares 0.01
Warrants exercised (in dollars per share) | $ / shares 5.88
Exercisable, (in dollars per share) | $ / shares $ 9.27
Weighted average remaining life 3 years 6 months
Weighted average remaining life, Exercisable 3 years 6 months