Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.20.2
Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2020
Equity [Abstract]  
Summary of Outstanding Stock Warrants

A summary of the status of the Company’s outstanding stock warrants and changes during the six months ended June 30, 2020 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 June 30, 2020     164,222     $ 21.30       1.8  
Warrants exercisable as of June 30, 2020     164,222     $ 21.30       1.8  
Summary of Stock Options

A summary of the stock options as of June 30, 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  
Cancelled     (1,587,500 )     2.28       -  
Expired     (4,063 )     110.67       -  
Outstanding as of June 30, 2020     140,182     $ 38.92       4.63  
Options vested and expected to vest as of June 30, 2020     140,182     $ 38.92       4.63  
Options vested and exercisable as of June 30, 2020     127,682     $ 42.53       4.69  
Summary of Restricted Stock Award Activity

A summary of the restricted stock award activity for the six months ended June 30, 2020 as follows:

 

    Number of Units    

Weighted Average

Grant Date Fair

Value

 
Nonvested at December 31, 2019     18,750     $ 6.88  
Granted     2,745,639     $ 0.43  
Vested     (698,910 )   $ 0.55  
Nonvested at June 30, 2020     2,065,479     $ 0.45