Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Stock Option Activity (Details)

v3.20.2
Stock-Based Compensation - Summary of Stock Option Activity (Details) - $ / shares
6 Months Ended 12 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Number of shares, beginning balance 643,879  
Number of shares, Granted 816,299  
Number of shares, ending balance 1,460,178 643,879
Number of shares, Vested 80,479  
Number of shares, Vested and expected to vest 1,460,178  
Weighted average exercise price, beginning balance $ 6.33  
Weighted average exercise price, Granted 3.50  
Weighted average exercise price, ending balance 4.75 $ 6.33
Weighted average exercise price, Vested 6.33  
Weighted average exercise price, Vested and expected to vest $ 4.75  
Weighted average remaining contractual life 9 years 8 months 12 days 9 years 10 months 24 days
Weighted average remaining contractual life, Vested 9 years 4 months 24 days  
Weighted average remaining contractual life, Vested and expected to vest 9 years 8 months 12 days