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Intangible Assets
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6 Months Ended | ||||||||||||||||||||||||
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Jun. 30, 2012
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| Intangible Assets [Abstract] | |||||||||||||||||||||||||
| Intangible Assets | Acquired intangible assets were as follows as of the quarter ending:
Aggregate amortization expense was $0.3 million for the three months ended June 30, 2012 and 2011. Aggregate amortization expense was $0.5 million for the six months ended June 30, 2012 and 2011. Estimated amortization expense for subsequent periods is as follows:
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