XML 37 R24.htm IDEA: XBRL DOCUMENT v3.7.0.1
Note 7 - Fair Value Measurements (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   
Fair Value Measurement Using
          
   
Quoted
Prices in
Active Markets (Level 1)
    
Significant Other
Observable
Inputs
(Level 2)
    
Significant
Unobservable
Inputs
(Level 3)
    
Fair Value
Measurement
  
June 30
, 2017
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Derivative Instrument
                                
Warrant liability   $
-
     $
-
     $
306,648
     $
306,648
  
Interest rate swap
   $
-
     $
72,000
     $
-
     $
72,000
  
                                 
December 31, 201
6
  
 
 
 
  
 
 
 
  
 
 
 
  
 
 
 
Derivative Instrument
                                
Interest rate swap
   $
-
     $
91,000
     $
-
     $
91,000