Quarterly report pursuant to Section 13 or 15(d)

Warrants (Details)

v3.19.3
Warrants (Details) - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding at end of period 58,484 125,912    
Warrant        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Outstanding at beginning of year 2,722,967 630,415 630,415  
Issued   2,343,777    
Exercised (6,667) (227,875)    
Outstanding at end of period 2,716,300 2,746,317 2,722,967 630,415
Weighted Average Exercise Price, Outstanding at beginning of year $ 15.00 $ 48.90 $ 48.90  
Weighted Average Exercise Price, Exercised 4.80 4.80    
Weighted Average Exercise Price, Outstanding at end of period $ 15.05 $ 15.00 $ 15.00 $ 48.90
Weighted Average Remaining Term in Years, Outstanding 3 years 3 months 18 days 4 years 3 months 18 days 4 years 18 days 4 years 2 months 23 days
Weighted Average Remaining Term in Years, Issued   4 years 6 months 18 days    
Weighted Average Remaining Term in Years, Exercised 3 years 6 months 18 days 4 years 6 months 18 days