Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Equity (Tables)

v3.19.1
Note 10 - Equity (Tables)
 3 Months Ended
Mar. 31, 2019
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    Three Months Ended March 31,
    2019   2018
Expected volatility    
35%
      
42%
-
43%
  
Expected dividends    
None
      
 
None
 
  
Expected term (years)    
7%
      
 
7
 
  
Risk-free rate    
2.61%
      
2.53%
to
2.63%
  
Forfeiture rate    
20%
      
 
20%
 
  
Share-based Payment Arrangement, Option, Activity [Table Text Block]
    Number of
Shares		   Weighted
Average
Exercise
Price		   Weighted
Average
Fair
Value		   Weighted
Average
Remaining
Contractual Life
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
  
Granted at market price    
62,944
      
12.02
      
 
      
 
  
Exercised    
(42,804
 )    
5.15
      
 
      
 
  
Cancelled    
-
      
-
      
 
      
 
  
Outstanding at March 31, 2019    
1,006,831
     $
5.16
     $
2.25
      
6.5
  
Exercisable at March 31, 2019    
522,488
     $
4.67
     $
2.04
      
6.5
  
Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block]
  Restricted Stock Awards   Shares  
  Outstanding at December 31, 2018    
51,134
    
  Awards granted    
11,131
    
  Awards vested    
-
    
  Awards forfeited    
-
    
  Outstanding at March 31, 2019    
62,265