Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Warrants (Details)

v3.20.1
Stockholders' Equity - Warrants (Details) - Warrants - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Class of Warrant or Right [Line Items]    
Warrants outstanding, beginning 5,405,669  
Warrants exercised (2,999)  
Warrants outstanding, ending 5,402,670 5,405,669
Warrant exercise price (in dollars per share) $ 8.21 $ 8.20
Warrants outstanding, remaining contractual life 2 years 1 month 21 days 2 years 4 months 24 days