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Property, plant and equipment
12 Months Ended
Dec. 31, 2011
Property, plant and equipment  
Property, plant and equipment

3.                    Property, plant and equipment

 

 

 

December 31,

 

(US$ in thousands)

 

2011

 

2010

 

Cost

 

 

 

 

 

Buildings

 

$

3,829

 

$

3,707

 

Plant, equipment and instrumentation

 

125,823

 

107,379

 

Furniture and fixtures

 

9,140

 

8,629

 

 

 

 

 

 

 

 

 

138,792

 

119,715

 

Accumulated depreciation

 

(86,668

)

(74,180

)

 

 

 

 

 

 

 

 

$

52,124

 

$

45,535

 

 

Depreciation expense for the years ended December 31, 2011, 2010 and 2009 was $17.2 million, $16.8 million and $15.3 million, respectively.