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Note 14 - Fair Value Measurement (Tables)
12 Months Ended
Dec. 31, 2013
Fair Value Measurements, Valuation Techniques [Abstract]  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
   

December 31, 2013

 
   

Fair Value Measurement Using

   

Assets at

 
   

Level 1

   

Level 2

   

Level 3

   

Fair Value

 

Derivative instrument liability

  $     $ 491,098     $     $ 491,098  

Total Liabilities

  $     $ 491,098     $     $ 491,098  
   

December 31, 2012

 
   

Fair Value Measurement Using

   

Assets at

 
   

Level 1

   

Level 2

   

Level 3

   

Fair Value

 

Derivative instrument asset

  $     $ 444,782     $     $ 444,782  

Total Assets

  $     $ 444,782     $     $ 444,782