Note 8 - Property and Equipment (Tables)
 12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

December 31,

 
   

2014

   

2013

 

Equipment

  $ 5     $ 7  

Computer hardware and software

    46       44  

Leasehold improvements

    155       155  

Furniture and fixtures

    72       72  
                 
      278       278  

Less: accumulated depreciation

    (242 )     (200 )
    $ 36     $ 78