Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Equity (Tables)

v3.8.0.1
Note 9 - Equity (Tables)
 3 Months Ended
Mar. 31, 2018
Notes Tables  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
    Three Months Ended March 31,
    2018   2017
Expected volatility  
42%
-
43%
  
 
42%
 
Expected dividends  
 
None
 
  
 
None
 
Expected term (years)  
 
7
 
  
 
7
 
Risk-free rate  
2.53%
to
2.63%
  
2.10%
to
2.14%
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    
60,000
      
5.89
      
 
      
 
  
Exercised    
(7,500
 )    
3.11
      
 
      
 
  
Cancelled    
(2,605
 )    
5.03
      
 
      
 
  
Outstanding at March 31, 2018    
1,053,811
     $
4.29
     $
1.93
      
8.0
  
Exercisable at March 31, 2018    
476,601
     $
4.77
     $
2.07
      
7.6
  
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
Restricted Stock Awards   Shares
Outstanding at December 31, 2017    
63,700
  
Awards granted    
-
  
Awards vested    
-
  
Awards forfeited    
-
  
Outstanding at March 31, 2018    
63,700