Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net (Narrative) (Details)

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Intangible Assets, Net (Narrative) (Details) (USD $)
6 Months Ended
Jun. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract]  
Estimated useful life 10 years
Estimated annual amortization expense for intangible assets subject to amortization, 2012 $ 1,402,000
Estimated annual amortization expense for intangible assets subject to amortization, 2013 1,330,000
Estimated annual amortization expense for intangible assets subject to amortization, 2014 1,330,000
Estimated annual amortization expense for intangible assets subject to amortization, 2015 1,330,000
Estimated annual amortization expense for intangible assets subject to amortization, 2016 $ 1,330,000