Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Stock-based Compensation (Tables)

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

Three Months Ended September 30,

   

Nine Months Ended September 30,

 
   

2021

   

2020

   

2021

   

2020

 

Risk-free interest rate

    0.84%       0.26%       0.46% - 0.92%       0.26% - 0.33%  

Dividend yield

    0%       0%         0%           0%    

Expected term (in years)

    5       5%         5           5    

Expected volatility

    46.8%       69.6%       47.1% - 92.6%       65.8% - 69.6%  
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            

Options expired

    -       -            

Options forfeited

    -       -            

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            

Options forfeited

    -       -            

Outstanding at June 30, 2021

    1,262,500     $ 0.86            

Options granted

    30,000       2.80            

Options exercised

    (65,000 )     0.18            

Options expired

    -       -            

Options forfeited

    -       -            

Outstanding at September 30, 2021

    1,227,500     $ 0.94  

5 years, 1 month

  $ 2,450,068  

Exercisable at September 30, 2021

    930,000     $ 0.44  

4 years, 5 months

  $ 2,326,943  
                           

Outstanding at December 31, 2019

    1,349,000     $ 0.23            

Options granted

    -       -            

Options exercised

    -       -            

Options expired

    (129,000 )     0.17            

Options forfeited

    -       -            

Outstanding at March 31, 2020

    1,220,000       0.24            

Options granted

    10,000       0.15            

Options exercised

    -       -            

Options expired

    (10,000 )     0.19            

Options forfeited

    -       -            

Outstanding at June 30, 2020

    1,220,000       0.24            

Options granted

    210,000       0.66            

Options exercised

    -       -            

Options expired

    -       -            

Options forfeited

    -       -            

Outstanding at September 30, 2020

    1,430,000     $ 0.30  

4 years, 5 months

  $ 487,773  

Exercisable at September 30, 2020

    1,208,500     $ 0.24  

3 years, 5 months

  $ 482,268  
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     $ 0.81  

Granted

    30,000       1.15  

Vested

    (215,000 )     0.41  

Forfeited

    -       -  

Nonvested at September 30, 2021

    297,500     $ 1.13  
                 

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  

Granted

    210,000       0.37  

Vested

    (1,500 )     0.12  

Forfeited

    -       -  

Nonvested at September 30, 2020

    221,500     $ 0.36