Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v3.20.2
Summary of Significant Accounting Policies (Details) - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
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 4,186,786 2,411,846 4,186,786 2,814,505
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 0 209,055 0 237,798
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 22,304,750 18,844,002 22,304,750 20,353,145
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 5,125,364 0 5,125,364 11,722,222