Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Summary of Significant Accounting Policies (Tables)

v3.19.3
Description of Business and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of cash and cash equivalent and restricted cash
    September 30,
2019
    December 31,
2018
    September 30,
2018
 
Cash and cash equivalents   $ 14,312,909     $ 13,673,308     $ 14,805,472  
Restricted cash – current     48,056       40,075       40,055  
Restricted cash – long-term     391,180       391,131       390,940  
Cash, cash equivalents and restricted cash   $ 14,752,145     $ 14,104,514     $ 15,236,467  
Schedule of antidilutive securities excluded from computation of diluted net loss per share
    September 30,
2019
    September 30,
2018
 
Options     11,931,801       7,668,231  
Warrants     86,335,713       56,013,474  
Total     98,267,514       63,681,705