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Patents and other intangible assets (Tables)
12 Months Ended
Dec. 31, 2011
Patents and other intangible assets  
Schedule of patents and other intangible assets

 

 

 

 

December 31,

 

(US$ in thousands)

 

2011

 

2010

 

Cost

 

 

 

 

 

Patents and developed technologies

 

$

29,065

 

$

26,226

 

Trademarks—definite lived (subject to amortization)

 

646

 

543

 

Trademarks—indefinite lived (not subject to amortization)

 

23,057

 

23,104

 

Distribution networks

 

44,586

 

44,586

 

 

 

 

 

 

 

 

 

97,354

 

94,459

 

Accumulated amortization

 

 

 

 

 

Patents and developed technologies

 

(22,073

)

(18,267

)

Trademarks—definite lived (subject to amortization)

 

(416

)

(337

)

Distribution networks

 

(37,350

)

(34,398

)

 

 

 

 

 

 

Patents and other intangible assets, net

 

$

37,515

 

$

41,457