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Goodwill and intangible assets
6 Months Ended
Jun. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and intangible assets
Goodwill and intangible assets
Goodwill
As of both December 31, 2011 and June 30, 2012, the Company had $5.6 million of goodwill acquired. Goodwill is tested for impairment at the reporting unit level at least annually or more often if events or changes in circumstances indicate the carrying value may not be recoverable. The Company performed the annual required test of impairment of goodwill as of September 30, 2011. The Company’s annual impairment test did not indicate impairment at any of its reporting units. No impairment was recorded in 2011. As of June 30, 2012, no changes in circumstances indicate that goodwill carrying values may not be recoverable.
Intangible assets
The fair values for acquired intangible assets were determined by management relying in part on valuations performed by independent valuation specialists. Acquisition related intangible assets are amortized over the life of the assets on a basis that resembles the economic benefit of the assets. This results in amortization that is higher in earlier periods of the useful life. The estimated useful lives and carrying value of acquired intangible assets are as follows:
 
 
June 30, 2012
 
December 31, 2011
 
Weighted
 Average
Useful Life
Gross
 Carrying
 Amount
 
Accumulated
Amortization
 
Net
 Carrying
 Amount
 
Gross
 Carrying
 Amount
 
Accumulated
Amortization
 
Net
 Carrying
 Amount
 
(years)
 
 
 
 
 
 
 
 
 
 
 
Intangible assets:
 
 
 
 
 
 
 
 
 
 
 
 
Trademarks
6.9
$
70

 
$
23

 
$
47

 
$
70

 
$
16

 
$
54

Non-Compete Agreements
2.0
70

 
35

 
35

 
70

 
13

 
57

Customer Relationships
8.6
2,350

 
904

 
1,446

 
2,350

 
690

 
1,660

Developed Technology
6.0
1,880

 
703

 
1,177

 
1,880

 
510

 
1,370

 
 
$
4,370

 
$
1,665

 
$
2,705

 
$
4,370

 
$
1,229

 
$
3,141



Amortization expense was $0.2 million and $0.2 million for the three months ended June 30, 2012 and June 30, 2011, respectively. Amortization expense was $0.4 million and $0.5 million for the six months ended June 30, 2012 and June 30, 2011, respectively.