Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Equity - Stock Option Activity (Details)

v3.20.2
Note 5 - Equity - Stock Option Activity (Details) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Jul. 31, 2020
Sep. 30, 2020
Dec. 31, 2019
Outstanding, number of shares (in shares)   3,836,000  
Outstanding, weighted average grant date fair value (in dollars per share)   $ 1.59  
Outstanding, weighted average exercise price (in dollars per share)   $ 2.26  
Outstanding, weighted average remaining contractual term (Year)   8 years 1 month 6 days 8 years 3 months 18 days
Outstanding, aggregate intrinsic value   $ 0 $ 0
Granted, number of shares (in shares) 1,349,750 1,554,750  
Granted, weighted average grant date fair value (in dollars per share)   $ 0.83  
Granted, weighted average exercise price (in dollars per share)   $ 0.95  
Exercised, number of shares (in shares)   0  
Exercised, weighted average grant date fair value (in dollars per share)   $ 0  
Exercised, weighted average exercise price (in dollars per share)   $ 0  
Forfeited, number of shares (in shares)   (20,000)  
Forfeited, weighted average grant date fair value (in dollars per share)   $ 0.89  
Forfeited, weighted average exercise price (in dollars per share)   $ 1.06  
Outstanding, number of shares (in shares)   5,370,750 3,836,000
Outstanding, weighted average grant date fair value (in dollars per share)   $ 1.37 $ 1.59
Outstanding, weighted average exercise price (in dollars per share)   $ 1.88 $ 2.26
Exercisable, number of shares (in shares)   1,978,917  
Exercisable, weighted average grant date fair value (in dollars per share)   $ 1.91  
Exercisable, weighted average exercise price (in dollars per share)   $ 2.79  
Exercisable, weighted average remaining contractual term (Year)   7 years 2 months 12 days  
Exercisable, aggregate intrinsic value   $ 0