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Property and Equipment (Tables)
 9 Months Ended
Sep. 30, 2012
Property and Equipment  
Schedule of property and equipment

 

 

 

December 31,

 

September 30,

 

 

 

2011

 

2012

 

 

 

 

 

(unaudited)

 

 

 

 

 

 

 

Computer equipment

 

$

586

 

$

604

 

Software

 

209

 

209

 

Lab equipment and furniture

 

3,465

 

3,707

 

Leasehold improvements

 

1,486

 

1,778

 

 

 

5,746

 

6,298

 

Less accumulated depreciation and amortization

 

(4,436

)

(4,914

)

 

 

$

1,310

 

$

1,384