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Goodwill and Other Intangible Assets
12 Months Ended
Dec. 31, 2012
Goodwill and Other Intangible Assets [Abstract]  
Goodwill and Other Intangible Assets
5.           Goodwill and Other Intangible Assets

The following table provides the gross carrying amount and accumulated amortization for each class of intangible assets and goodwill:

 
December 31,
 
 
2012
 
 
2011
 
 
Gross Carrying Amount
 
 
Accumulated Amortization/Impairment
 
 
Net Carrying Amount
 
 
Gross Carrying Amount
 
 
Accumulated Amortization
 
 
Net
CarryingAmount
 
 
(in thousands)
 
Amortizable intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Trademarks                                  
 
$
1,285
 
 
$
(571
)
 
$
714
 
 
$
1,785
 
 
$
(742
)
 
$
1,043
 
Customer relationships
 
 
9,643
 
 
 
(3,790
)
 
 
5,853
 
 
 
9,043
 
 
 
(2,809
)
 
 
6,234
 
Goodwill                                            
 
 
21,156
 
 
 
(3,948
)
 
 
17,208
 
 
 
21,156
 
 
 
 
 
 
21,156
 
Total goodwill and intangible assets
 
$
32,084
 
 
$
(8,309
)
 
$
23,775
 
 
$
31,984
 
 
$
(3,551
)
 
$
28,433
 
 
We performed our annual asset impairment testing as of December 31, 2012, the end of our calendar year.  The estimated fair value of our Performance Management reporting unit was less than its related book value and we determined that its goodwill balance was impaired.  Accordingly, step two of the goodwill impairment test was completed for the Performance Management reporting unit, which resulted in an impairment write down to goodwill and other intangible assets totaling $4.2 million in the fourth quarter of 2012.

The following summarizes the changes in the carrying amount of goodwill:

 
Goodwill
 
 
(in thousands)
 
 
 
 
Balance at December 31, 2010                                                  
 
$
14,327
 
Acquisitions                                              
 
 
6,829
 
Balance at December 31,2011
21,156
Impairment                                              
 
 
(3,948
)
Balance at December 31, 2012                                                  
 
$
17,208
 

Our amortization expense related to purchased intangible assets other than goodwill was $1.8 million in 2012, $1.7 million in 2011 and $799,000 in 2010, and is estimated to be $2.0 million in 2013, $2.0 million in 2014, $1.5 million in 2015, $700,000 in 2016 and $527,000 in 2017.