Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Stock-based Compensation (Tables)

v3.19.3
Note 4 - Stock-based Compensation (Tables)
 9 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   
Three Months Ended
    
Three Months Ended
    
Nine Months
Ended
    
Nine Months
Ended
  
   
September 30,
2019
    
September 30,
2018
    
September 30,
2019
    
September 30,
2018
  
Risk-free interest rate
    
n/a
      
2.75%
      
2.31%
      
2.65%
-
2.92%
  
Dividend yield
    
n/a
      
0%
      
0%
      
 
0%
 
  
Expected term (in years)    
n/a
      
5
      
5
      
 
5
 
  
Expected volatility
    
n/a
      
53.4%
      
57.9%
      
49.0%
-
53.4%
  
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, 2019
    
1,376,500
     $
0.23
    
 
    
 
  
Options granted
    
-
      
-
    
 
    
 
  
Options exercised
    
-
      
-
    
 
    
 
  
Options expired
    
(4,500
 )    
0.13
    
 
    
 
  
Options forfeited
    
-
      
-
    
 
    
 
  
Outstanding at March 31, 2019
    
1,372,000
     $
0.23
    
 
    
 
  
Options granted
    
3,000
      
0.21
    
 
    
 
  
Options exercised
    
(10,000
 )    
0.10
    
 
    
 
  
Options expired
    
(11,000
 )    
0.08
    
 
    
 
  
Options forfeited
    
(2,500
 )    
0.46
    
 
    
 
  
Outstanding at June 30, 2019
    
1,351,500
     $
0.23
    
 
    
 
  
Options granted
    
-
      
-
    
 
    
 
  
Options exercised
    
-
      
-
    
 
    
 
  
Options expired
    
-
      
-
    
 
    
 
  
Options forfeited
    
(2,500
 )    
0.46
    
 
    
 
  
Outstanding at September 30, 2019
    
1,349,000
     $
0.23
    
4 years, 2 months
   $
11,443
  
Exercisable at September 30, 2019
    
1,321,500
     $
0.23
    
4 years
   $
11,443
  
Schedule of Nonvested Share Activity [Table Text Block]
   
Nonvested
  
           
Weighted average
  
           
grant date
  
   
Shares
    
fair value
  
Nonvested at January 1, 2019
    
148,500
     $
0.20
  
Granted
    
-
      
-
  
Vested
    
(107,500
 )    
0.21
  
Forfeited
    
-
      
-
  
Nonvested at March 31, 2019
    
41,000
     $
0.17
  
Granted
    
3,000
      
0.11
  
Vested
    
(12,500
 )    
0.17
  
Forfeited
    
(2,500
 )    
0.21
  
Nonvested at June 30, 2019
    
29,000
     $
0.16
  
Granted
    
-
      
-
  
Vested
    
(1,500
 )    
0.12
  
Forfeited
    
-
      
-
  
Nonvested at September 30, 2019
    
27,500
     $
0.16