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

4.      PROPERTY AND EQUIPMENT


The table below outlines the cost, accumulated depreciation and amortization and net carrying value of the Company’s property and equipment for the years ended December 31, 2014 and 2013:


   

2014

 
   

Cost

   

Accumulated
Depreciation
and
Amortization

   

Net
Carrying
Value

 
   

(In thousands)

 

Scientific equipment

  $ 2,273     $ (1,429 )   $ 844  

Leasehold improvements

    1,590       (948 )     642  

Computer software and equipment

    414       (327 )     87  

Office equipment

    34       (31 )     3  
    $ 4,311     $ (2,735 )   $ 1,576  

   

2013

 
   

Cost

   

Accumulated
Depreciation
and
Amortization

   

Net
Carrying
Value

 
   

(In thousands)

 

Scientific equipment

  $ 1,985     $ (1,096 )   $ 889  

Leasehold improvements

    1,579       (787 )     792  

Office equipment

    34       (26 )     8  

Computer software and equipment

    325       (319 )     6  
    $ 3,923     $ (2,228 )   $ 1,695  

Depreciation and leasehold improvement amortization expense was $0.5 million for each of the years ended December 31, 2014, 2013 and 2012, respectively.