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Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2020
Accounting Policies [Abstract]  
Schedule of Computation of Basic and Diluted Earnings per Share
The following table sets forth the computation of basic and diluted earnings per share:
 
Three Months
Ended September 30,
Nine Months
Ended September 30,
2020201920202019
Numerator:
Net loss used for basic and diluted loss per share$(4,502,591)$(4,147,609)$(15,994,289)$(12,458,072)
Denominator:
Weighted-average shares used to compute basic and diluted net loss per share23,341,218 6,024,679 15,941,665 5,180,221 
Net loss per share attributable to common stockholders:
Basic and diluted$(0.19)$(0.69)$(1.00)$(2.40)
Schedule of Antidilutive Securities Excluded from the Calculation of Diluted Net Loss per Share
The following table sets forth the outstanding potentially dilutive securities that have been excluded in the calculation of diluted net loss per share because their effect was anti-dilutive:
 
September 30,
20202019
Options to purchase Common Stock1,920,706 1,016,426 
Warrants to purchase Common Stock7,373,351 4,870,076 
Restricted Stock Units991 14,161 
Series A Convertible Preferred Stock877 877 
Series E Convertible Preferred Stock3,548,459 — 
12,844,384 5,901,540