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Note 4 - Property and Equipment, Net
12 Months Ended
Dec. 31, 2014
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]

4. Property and Equipment, Net


Property and equipment, net, consisted of the following as of December 31, 2014 and 2013 (in thousands):


   

Life

   

December 31,

 
    (in years)     

2014

   

2013

 

Medical equipment

    5     $ 367     $ 277  

Computer equipment

    3       39       32  

Furniture and fixtures

    7       13       13  
              419       322  

Less: Accumulated depreciation and amortization

            (232 )     (194 )

Property and equipment, net

          $ 187     $ 128  

Depreciation and amortization expense for the years ended December 31, 2014 and 2013 was $56,000 and $66,000, respectively.