• Filing Date: 2019-08-13
  • Form Type: 10-Q
  • Description: Quarterly report
v3.19.2
Share-Based Compensation - Stock Option Activity (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]    
Outstanding, beginning (in shares) 3,552,890  
Granted (in shares) 1,089,000  
Exercised (in shares) (533,500)  
Expired (in shares) 0  
Canceled (in shares) 0  
Outstanding, ending (in shares) 4,108,390 3,552,890
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]    
Weighted average exercise price, outstanding, beginning (USD per share) $ 1.57  
Weighted average exercise price, granted (USD per share) 2.26  
Weighted average exercise price, exercised (in USD per share) 1.59  
Weighted average exercise price, expired (USD per share) 0.00  
Weighted average exercise price, canceled (USD per share) 0.00  
Weighted average exercise price, outstanding, ending (USD per share) $ 1.75 $ 1.57
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]    
Exercisable (in shares) 2,848,573  
Weighted average exercise price, exercisable (USD per share) $ 1.65  
Weighted-average remaining contractual term, outstanding 6 years 15 days 5 years 22 days
Weighted-average remaining contractual term, exercisable 4 years 9 months 14 days  
Aggregate intrinsic value, outstanding $ 18,532,876 $ 1,149,461
Aggregate intrinsic value, exercisable $ 13,139,047