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Related parties (Tables)
 12 Months Ended
Dec. 31, 2011
Related parties  
Summary of related party balances and transactions

 

 

 

 

Year Ended
December 31,

 

(US$ in thousands)

 

2011

 

2010

 

2009

 

Sales

 

$

479

 

$

3,081

 

$

4,043

 

Purchases

 

$

—

 

$

4,911

 

$

11,901

 

Accounts payable

 

$

—

 

$

334

 

$

1,481

 

Accounts receivable

 

$

106

 

$

676

 

$

563