General form of registration statement for all companies including face-amount certificate companies

Summary of Significant Accounting Policies (Details)

v3.19.3
Summary of Significant Accounting Policies (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Warrants        
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]        
Anti-dilutive excluded from the calculation of diluted loss per common share 18,844,002 51,155,750 20,353,145 51,155,750
Common shares underlying convertible debt        
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]        
Anti-dilutive excluded from the calculation of diluted loss per common share 0 0 11,722,222 0
Stock options        
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]        
Anti-dilutive excluded from the calculation of diluted loss per common share 2,411,846 1,850,073 2,814,505 1,850,073
Unvested restricted stock        
Nature of Operations, Business Activities and Summary of Significant Accounting Policies [Line Items]        
Anti-dilutive excluded from the calculation of diluted loss per common share 209,055 1,918,501 237,798 1,918,501