Annual report pursuant to Section 13 and 15(d)

Note 10 - Equity (Tables)

v3.10.0.1
Note 10 - Equity (Tables)
 12 Months Ended
Dec. 31, 2018
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    Year Ended December 31,
    2018   2017
Expected volatility  
34%
-
35%
  
 
42%
 
Expected dividends  
 
None
 
  
 
None
 
Expected term (years)  
 
7
 
  
 
5.5 - 7
 
Risk-free rate  
2.53%
to
3.12%
  
1.98%
to
2.20%
Forfeiture rate  
 
20%
 
  
 
20%
 
Share-based Compensation, Stock Options, Activity [Table Text Block]
    Number of
Shares		   Weighted
Average
Exercise
Price		   Weighted
Average
Fair 
Value		   Weighted
Average
Remaining
Contractual Life
Outstanding at December 31, 2016    
953,075
     $
3.66
     $
1.86
      
6.9
  
Granted at market price    
295,286
      
4.31
      
 
      
 
  
Exercised    
(206,875
 )    
1.76
      
 
      
 
  
Cancelled    
(37,570
 )    
5.11
      
 
      
 
  
Outstanding at December 31, 2017    
1,003,916
     $
4.18
     $
1.87
      
8.1
  
Granted at market price    
145,792
      
7.00
      
 
      
 
  
Exercised    
(95,162
 )    
3.48
      
 
      
 
  
Cancelled    
(67,855
 )    
3.37
      
 
      
 
  
Outstanding at December 31, 2018    
986,691
     $
4.72
     $
2.09
      
6.8
  
Exercisable at December 31, 2018    
497,667
     $
4.76
     $
2.10
      
6.8
  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
Restricted Stock Awards   Shares
Outstanding at December 31, 2016    
92,415
  
Awards granted    
59,700
  
Awards vested    
(76,070
 )
Awards forfeited    
(12,345
 )
Outstanding at December 31, 2017    
63,700
  
Awards granted    
50,134
  
Awards vested    
(61,700
 )
Awards forfeited    
(1,000
 )
Outstanding at December 31, 2018    
51,134
  
Class of Treasury Stock [Table Text Block]
Year 1
  
$
0.56
  
Year 2
  
$
0.68
  
Year 3
  
$
0.84
  
Year 4
  
$
1.03
  
Year 5
  
$
1.28
  
Year 6
  
$
1.59
  
Year 7
  
$
1.97
  
Year 8
  
$
2.45