Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.19.2
Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of Fair Value of Each Option Award Estimated Assumption

For stock options requiring an assessment of value during the six months ended June 30, 2019, the fair value of each stock option award was estimated using the Black-Scholes option-pricing model with the following assumptions:

 

Risk-free interest rate     1.85 %
Expected dividend yield     0 %
Expected volatility     171.87 %
Expected life     5 years  
Summary of Stock Option Activity Including Options form of Warrants

A summary of stock option activity, including options issued in the form of warrants, during the six months ended June 30, 2019 is presented below.

 

    Number of Shares     Weighted Average
Exercise Price
    Weighted Average
Remaining
Contractual Life
(in Years)
 
                   
Stock options outstanding at December 31, 2018     7,750,000     $ 0.583          
Granted     300,000       1.100          
Exercised                    
Expired     (500,000 )     0.250          
Stock options outstanding at June 30, 2019     7,550,000     $ 0.579       3.46  
                         
Stock options exercisable at June 30, 2019     7,350,000     $ 0.587       3.45  
Schedule of Exercise Prices of Common Stock Options Outstanding and Exercisable Including Options Form of Warrants

The exercise prices of common stock options outstanding and exercisable, including options issued in the form of warrants, are as follows at June 30, 2019:

 

Exercise
Prices
    Options
Outstanding (Shares)
    Options
Exercisable (Shares)
 
               
$ 0.120       450,000       450,000  
$ 0.150       300,000       300,000  
$ 0.160       200,000       200,000  
$ 0.200       500,000       500,000  
$ 0.280       400,000       200,000  
$ 0.500       4,400,000       4,400,000  
$ 1.000       500,000       500,000  
$ 1.100       300,000       300,000  
$ 2.000       500,000       500,000  
          7,550,000       7,350,000