Annual report pursuant to Section 13 and 15(d)

Summary of Significant Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details)

v3.20.1
Summary of Significant Policies - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Earnings Per Share Basic And Diluted [Line Items]    
Total potentially dilutive shares 24,772,522 4,231,731
Series A Convertible Preferred Stock [Member]    
Earnings Per Share Basic And Diluted [Line Items]    
Total potentially dilutive shares 2,395,830 1,146,797
Series A-1 Convertible Preferred Stock [Member]    
Earnings Per Share Basic And Diluted [Line Items]    
Total potentially dilutive shares 767,040 727,703
Series G Convertible Preferred Stock [Member]    
Earnings Per Share Basic And Diluted [Line Items]    
Total potentially dilutive shares 178,000
Convertible Notes [Member]    
Earnings Per Share Basic And Diluted [Line Items]    
Total potentially dilutive shares 21,303,158 1,847,057
Common Stock Warrants [Member]    
Earnings Per Share Basic And Diluted [Line Items]    
Total potentially dilutive shares 287,484 330,856
Options [Member]    
Earnings Per Share Basic And Diluted [Line Items]    
Total potentially dilutive shares 19,010 1,318