Annual report pursuant to Section 13 and 15(d)

10. Stock Options and Warrants (Tables)

v3.19.1
10. Stock Options and Warrants (Tables)
 12 Months Ended
Dec. 31, 2018
Equity [Abstract]  
Fair values of option awards granted
    2018   2017
Risk-free interest rate   2.65% - 2.92%   1.87% - 2.06%
Dividend yield   0%   0%
Expected term   5 years   5 years
Expected volatility   49.0% - 55.1%   44.6% - 47.0%
Options issued under foregoing option plans
      Options outstanding              
              Weighted average     Weighted average     Aggregate  
              exercise price     remaining     intrinsic  
Incentive options     Shares       per share     contractual term     value  
Outstanding at December 31, 2017     1,288,000     $ 0.18              
Options granted     166,000       0.44              
Options exercised     -       -              
Options expired     (62,500 )     0.31              
Options forfeited     (15,000 )     0.46              
Outstanding at December 31, 2018     1,376,500     $ 0.23     4 years, 10 months   $ 1,145  
Exercisable at December 31, 2018     1,228,000     $ 0.21     4 years, 3 months   $ 1,145  
Nonvested stock awards
    Nonvested  
          Weighted average  
          grant date  
    Shares     fair value  
Nonvested at January 1, 2018     232,000     $ 0.10  
Granted     166,000       0.20  
Vested     (234,500 )     0.10  
Forfeited     (15,000 )     0.21  
Nonvested at December 31, 2018     148,500     $ 0.20