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Stockholders' Equity - Summary of Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2020
USD ($)
$ / shares
shares
Stockholders Equity Note [Abstract]  
Number of Shares, Outstanding | shares 1,640
Number of Shares, Granted | shares 1,078,000
Number of Shares, Cancelled/Forfeited | shares (1,141)
Number of Shares, Outstanding | shares 1,078,499
Number of Shares, Exercisable | shares 87,834
Weighted Average Exercise Price, Outstanding | $ / shares $ 196.70
Weighted Average Exercise Price, Granted | $ / shares 12.60
Weighted Average Exercise Price, Cancelled/Forfeited | $ / shares 196.70
Weighted Average Exercise Price, Outstanding | $ / shares 12.68
Weighted Average Exercise Price, Exercisable | $ / shares $ 13.57
Weighted Average Remaining Contractual Term (Years), Outstanding 9 years 9 months 18 days
Weighted Average Remaining Contractual Term (Years), Exercisable 9 years 9 months 18 days
Aggregate Intrinsic Value, Outstanding | $ $ 6,012
Aggregate Intrinsic Value, Exercisable | $ $ 494