XML 43 R32.htm IDEA: XBRL DOCUMENT v3.5.0.2
Note 14 - Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2016
Stockholders' Equity Note [Abstract]  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block] Following is a summary of the warrant activity for the six months ended June 30, 2016:

 
  
Number of
Warrants
    
Average
Exercise
Price
    
Weighted
Average
Remaining
Contractual
Term in Years
  
 
                  
Outstanding at January 1, 2016
    
2,050,001
      
2.74
      
4.82
  
Granted
    
-
      
-
      
-
  
Exercised / surrendered
    
-
      
-
      
-
  
Expired
    
-
      
-
      
-
  
Outstanding at June 30, 2016
    
2,050,001
      
2.74
      
4.31
  
Exercisable at June 30, 2016
    
2,050,001
      
2.74
      
4.31
  
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Table Text Block] The Company estimated the fair value of its warrants as of June 30, 2015 using the Binomial option pricing model using the following assumptions:

 
  
Series A Warrants
    
Series C Warrants
    
Placement Agent Warrants
    
Total
  
At June 30, 2015:
                        
Market price of common stock ($)
                
1.87
        
Number of shares of common stock underlying the warrants
                    
9,242
      
9,242
  
Exercise price ($)
                    
8.48
          
Remaining contractual life (years):
                    
2.79
          
Dividend yield:
                    
–
          
Expected volatility:
                    
69
%
        
Risk-free interest rate:
                    
1.01
%
        
Fair value ($)
                    
1,764
      
1,764