Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock-based Compensation (Tables)

v3.21.2
Note 6 - Stock-based Compensation (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

Three Months Ended

   

Three Months Ended

   

Six Months Ended

   

Six Months Ended

 
   

June 30, 2021

   

June 30, 2020

   

June 30, 2021

   

June 30, 2020

 

Risk-free interest rate

  0.77% - 0.87%       0.33%       0.46% - 0.92%       0.33%    

Dividend yield

    0%         0%         0%         0%    

Expected term (in years)

    5         5         5         5    

Expected volatility

  47.1% - 47.7%     65.8% - 66.0%     47.1% - 92.6%     65.8% - 66.0%  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
   

Options outstanding

           
           

Weighted average

 

Weighted average

 

Aggregate

 
           

exercise price

 

remaining

 

intrinsic

 

Incentive Options

 

Shares

   

per share

 

contractual term

 

value

 

Outstanding at December 31, 2020

    1,395,000     $ 0.31            

Options granted

    145,000       2.62            

Options exercised

    (25,000 )     0.14            

Outstanding at March 31, 2021

    1,515,000     $ 0.53            

Options granted

    127,500       2.85            

Options exercised

    (360,000 )     0.22            

Options expired

    (20,000 )     0.17            

Outstanding at June 30, 2021

    1,262,500     $ 0.86  

6 years

  $ 2,876,868  

Exercisable at June 30, 2021

    780,000     $ 0.33  

3 years, 2 months

  $ 2,194,843  
                           

Outstanding at December 31, 2019

    1,349,000     $ 0.23            

Options expired

    (129,000 )     0.17            

Outstanding at March 31, 2020

    1,220,000       0.24            

Options granted

    10,000       0.15            

Options expired

    (10,000 )     0.19            

Outstanding at June 30, 2020

    1,220,000     $ 0.24  

3 years, 9 months

  $ 37,353  

Exercisable at June 30, 2020

    1,207,000     $ 0.24  

3 years, 8 months

  $ 36,703  
Schedule of Nonvested Share Activity [Table Text Block]
   

Nonvested

 
           

Weighted average

 
           

grant date

 
   

Shares

   

fair value

 

Nonvested at December 31, 2020

    235,000     $ 0.36  

Granted

    145,000       1.22  

Vested

    -       -  

Forfeited

    -       -  

Nonvested at March 31, 2021

    380,000     $ 0.94  

Granted

    127,500       1.19  

Vested

    (25,000 )     1.01  

Forfeited

    -       -  

Nonvested at June 30, 2021

    482,500     $ 0.94  
                 
                 

Nonvested at December 31, 2019

    23,500     $ 0.17  

Granted

    -       -  

Vested

    (5,000 )     0.21  

Forfeited

    -       -  

Nonvested at March 31, 2020

    18,500     $ 0.15  

Granted

    10,000       0.08  

Vested

    (15,500 )     0.16  

Forfeited

    -       -  

Nonvested at June 30, 2020

    13,000     $ 0.09