v3.3.1.900
Note 14 - Stock Warrants and Warrant Liability (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Disclosure Text Block [Abstract]    
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
   

Warrants for

Number of

Shares

   

Weighted-Average

Exercise Price

 

Outstanding as of January 1, 2015

    22,148,045     $ 0.23  

Issued

           

Exercised

           

Cancelled/expired

           

Outstanding as of September 30, 2015

    22,148,045     $ 0.23  
   

Warrants for

Number of Shares

   

Weighted-Average

Exercise Price

 

Outstanding as of December 31, 2013

    9,648,045     $ 0.49  

Issued

    12,500,000       0.02  

Exercised

           

Cancelled/expired

           

Outstanding as of December, 2014

    22,148,045     $ 0.23