Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Equity (Tables)

v3.8.0.1
Note 8 - Equity (Tables)
 9 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    Nine Months Ended September 30,
    2017   2016
Expected volatility  
 
42%
  
43%
-
45%
Expected dividends  
 
None
 
  
 
None
 
Expected term (years)  
5.5
to
7
  
 
7
 
Risk-free rate  
1.98%
to
2.14%
  
1.19%
to
1.68%
Forfeiture rate  
 
20%
  
 
20%
Share-based Compensation, Stock Options, Activity [Table Text Block]
        Weighted   Weighted   Weighted
        Average   Average   Average
    Number of   Exercise   Fair   Remaining
    Shares   Price   Value   Contractual Life
Outstanding at December 31, 2016    
953,075
     $
3.66
     $
1.86
      
6.9
  
Granted at market price    
195,286
      
3.70
      
 
      
 
  
Exercised    
(106,221
 )    
1.20
      
 
      
 
  
Cancelled    
(30,454
 )    
5.21
      
 
      
 
  
Outstanding at September 30, 2017    
1,011,686
     $
3.87
     $
1.76
      
7.4
  
Exercisable at September 30, 2017    
370,634
     $
4.67
     $
2.17
      
5.6
  
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 September 30, 2017    
63,700
  
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