Quarterly report pursuant to Section 13 or 15(d)

4. Stock-Based Compensation (Tables)

v3.10.0.1
4. Stock-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2018
Notes to Financial Statements  
Black-Scholes option pricing model assumptions
  Three Months Ended   Three Months Ended   Nine Months Ended   Nine Months Ended
  September 30, 2018   September 30, 2017   September 30, 2018   September 30, 2017
Risk-free interest rate     2.75%       1.87%       2.65% - 2.92%       1.87%
Dividend yield     0%       0%       0%       0%
Expected term

 

5 years

   5 years   5 years   5 years
Expected volatility     53.4%       44.6%       49.0%-53.4%       44.6%
Options outstanding
    Options outstanding    
          Weighted average   Weighted average
          exercise price   remaining

Incentive Options

   Shares     per share  

contractual term
Outstanding at January 1, 2018     1,288,000     $ 0.21    
Options granted     163,000       0.45    
Options exercised     -       -    
Options expired     (62,500 )     0.31    
Options forfeited     -       -    
Outstanding at September 30, 2018     1,388,500     $ 0.23   5 years
Exercisable at September 30, 2018     1,220,500     $ 0.21   4 years, 6 months
Nonvested stock awards
    Nonvested  
          Weighted average  
          grant date  
    Shares     fair value  
Nonvested at January 1, 2018     232,000     $ 0.10  
Granted     163,000       0.20  
Vested     (227,000 )     0.10  
Forfeited     -       -  
Nonvested at September 30, 2018     168,000     $ 0.20