Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.20.1
Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2020
Equity [Abstract]  
Summary of Outstanding Stock Warrants

A summary of the status of the Company’s outstanding stock warrants and changes during year ended is as follows:

 

    Number of Warrants     Weighted Average
Exercise Price
    Weighted Average Remaining Contractual Life
(in years)
 
Outstanding as of December 31, 2019     182,191     $ 25.04       2.8  
Expired     (17,969 )     59.14       -  
Outstanding as of March 31, 2020     164,222     $ 21.30       2.0  
Warrants exercisable as of March 31, 2020     164,222     $ 21.30       2.0  

Summary of Stock Options

A summary of the stock options as of March 31, 2020 and changes during the period are presented below:

 

    Number of Shares     Weighted Average
Exercise Price
    Weighted Average Remaining Contractual Life
(in years)
 
Outstanding as of December 31, 2019     1,731,745     $ 5.50       7.92  
Expired     (4,063 )     110.67       -  
Outstanding as of March 31, 2020     1,727,682     $ 5.25       7.69  
Options vested and expected to vest as of March 31, 2020     1,727,682     $ 5.25       7.69  
Options vested and exercisable as of March 31, 2020     1,658,932     $ 5.39       7.83