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Goodwill and Other Intangible Assets
9 Months Ended
Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Other Intangible Assets
GOODWILL AND OTHER INTANGIBLE ASSETS

Goodwill and other intangible assets as of September 30, 2012 and December 31, 2011 consisted of the following (in thousands):
 
Estimated
Useful Life
(in years)
  
As of
 
  
September 30, 2012
 
December 31, 2011
Goodwill
N/A
 
$
2,979

 
$
2,873

Other intangible assets:
 
 
 
 
 
Indefinite-lived trademarks
N/A
  
$
9,052

 
$
9,052

Patents
1 to 16
  
18,154

 
18,154

 
 
  
27,206

 
27,206

Accumulated amortization - patents
 
  
(12,028
)
 
(10,490
)
 
 
  
$
15,178

 
$
16,716



Nautilus reviews goodwill and indefinite-lived intangible assets for impairment in the fourth quarter of each year, or more frequently when events or changes in circumstances indicate the assets may be impaired. The change in goodwill since December 31, 2011 is due to currency exchange rate fluctuations between the U.S. and Canadian dollars.