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Property and Equipment
3 Months Ended
Mar. 31, 2012
Property and Equipment  
Property and Equipment

4. Property and Equipment

 

Property and equipment consists of the following:

 

 

 

December 31,

 

March, 31

 

 

 

2011

 

2012

 

 

 

 

 

(unaudited)

 

 

 

(in thousands)

 

Computer equipment

 

$

586

 

$

590

 

Software

 

209

 

210

 

Lab equipment and furniture

 

3,465

 

3,478

 

Leasehold improvements

 

1,486

 

1,509

 

 

 

5,746

 

5,787

 

Less accumulated depreciation and amortization

 

(4,436

)

(4,604

)

 

 

$

1,310

 

$

1,183

 

 

Depreciation expense on property and equipment for the three months ended March 31, 2011 and 2012 was approximately $151,000 and $167,000, respectively.