Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock-based Compensation (Tables)

v3.20.1
Note 4 - Stock-based Compensation (Tables)
 3 Months Ended
Mar. 31, 2020
Notes Tables  
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 January 1, 2020
    
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
  
3 years, 11 months
   $
-
  
Exercisable at March 31, 2020
    
1,201,500
     $
0.24
  
3 years, 10 months
   $
-
  
Schedule of Nonvested Share Activity [Table Text Block]
   
Nonvested
  
           
Weighted average
  
           
grant date
  
   
Shares
    
fair value
  
Nonvested at January 1, 2020
    
23,500
     $
0.17
  
Granted
    
-
      
-
  
Vested
    
(5,000
 )    
0.21
  
Forfeited
    
-
      
-
  
Nonvested at March 31, 2020
    
18,500
     $
0.15