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Property and Equipment
9 Months Ended
Sep. 30, 2011
Property and Equipment 
Property and Equipment

(4) Property and Equipment

 

Property and equipment consist of the following:

 

 

 

September 30,
2011

 

December 31,
2010

 

 

 

(in thousands)

 

Laboratory equipment

 

$

12,428

 

$

12,387

 

Leasehold improvements

 

4,675

 

4,528

 

Computers and software

 

2,163

 

2,177

 

Furniture and fixtures

 

1,117

 

1,050

 

 

 

20,383

 

20,142

 

Less accumulated depreciation and amortization

 

(19,067

)

(17,961

)

 

 

$

1,316

 

$

2,181

 

 

Depreciation and amortization expenses of property and equipment, including equipment purchased under capital leases, were approximately $350,000 and $473,000 for the three months ended September 30, 2011 and 2010, respectively, and $1,173,000 and $1,470,000 for the nine months ended September 30, 2011 and 2010, respectively.