Property and Equipment
 12 Months Ended
Dec. 31, 2013
Property and Equipment

5.

Property and Equipment

Property and equipment as of December 31, 2013, and 2012 consist of the following (in thousands):

 

 

Estimated Useful
Life

 

December 31,

 

 

 

(In years)

 

2013

 

 

2012

 

Manufacturing equipment

5-14

 

$

8,968

 

 

$

7,574

 

Lab equipment

5-13

 

 

7,227

 

 

 

6,755

 

Computer equipment

3

 

 

1,962

 

 

 

1,807

 

Furniture and fixtures

3

 

 

1,056

 

 

 

983

 

Leasehold improvements

5-7

 

 

6,048

 

 

 

5,445

 

Assets in progress

 

 

 

762

 

 

 

1,047

 

 

 

 

 

26,023

 

 

 

23,611

 

Less accumulated depreciation and amortization

 

 

 

(17,317

)

 

 

(15,646

)

Total

 

 

$

8,706

 

 

$

7,965

 

 

Depreciation and amortization expense on property and equipment was $1.3 million, $1.2 million and $1.3 million for the years ended December 31, 2013, 2012 and 2011, respectively.