Registration of securities issued in business combination transactions

Equity - Schedule of Warrants Activity (Details)

v3.19.3
Equity - Schedule of Warrants Activity (Details) - $ / shares
 9 Months Ended 12 Months Ended
Sep. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Warrants Outstanding, beginning balance 3,684,762 2,362,615 922,203
Number of Warrants Outstanding, Granted   1,603,214 1,699,857
Number of Warrants Outstanding, Exercised   (100,000)
Number of Warrants Outstanding, Forfeited   (181,067) (259,445)
Number of Warrants Outstanding, ending balance   3,684,762 2,362,615
Weighted-average exercise price, Outstanding beginning balance $ 9.14 $ 16.34 $ 49.80
Weighted-average exercise price, Granted   2.82 3.50
Weighted-average exercise price, Exercised   3.50
Weighted-average exercise price, Forfeited   50.28 51.01
Weighted-average exercise price, Outstanding ending balance   9.14 $ 16.34
Weighted-average exercise price, Exercisable   $ 9.14  
Weighted Average Remaining Life, Granted   0 years 0 years
Weighted Average Remaining Life, Exercised   0 years 0 years
Weighted Average Remaining Life, Forfeited   7 years 1 month 6 days 0 years
Weighted Average Remaining Life, Outstanding ending balance   2 years 2 months 12 days 1 year 8 months 12 days
Weighted Average Remaining Life, Exercisable   7 years 1 month 6 days  
Warrants [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of Warrants Outstanding, beginning balance 3,684,762    
Number of Warrants Outstanding, Granted    
Number of Warrants Outstanding, Exercised    
Number of Warrants Outstanding, Forfeited (97,868)    
Number of Warrants Outstanding, ending balance 3,586,894 3,684,762  
Number of Warrants Outstanding, Exercisable 3,586,894    
Weighted-average exercise price, Outstanding beginning balance $ 9.14    
Weighted-average exercise price, Granted    
Weighted-average exercise price, Exercised    
Weighted-average exercise price, Forfeited 55.94    
Weighted-average exercise price, Outstanding ending balance 7.86 $ 9.14  
Weighted-average exercise price, Exercisable $ 7.86    
Weighted Average Remaining Life In Years, Outstanding beginning balance 7 years 1 month 6 days    
Weighted Average Remaining Life, Outstanding ending balance 6 years 7 months 6 days 7 years 1 month 6 days  
Weighted Average Remaining Life, Exercisable 6 years 7 months 6 days