Note 12 - Warrant Liability (Tables)
9 Months Ended
Sep. 30, 2014
Warrant Liability [Abstract]  
Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

Description

 

Fair Value

   

Quoted Prices

In

Active

Markets

(Level 1)

   

Significant

Other

Observable

Inputs

(Level 2)

   

Significant

Other

Unobservable Inputs

(Level 3)

 

Warrant Liability:

                               

December 31, 2013

  $ 4,573,123       -     $ 4,573,123       -  

March 31, 2014

  $ 6,754,103       -     $ 6,754,103       -  

June 30, 2014

  $ 2,701,641       -     $ 2,701,641       -  

September 30, 2014

  $ 1,929,743       -     $ 1,929,743       -