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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2015
Intangible Assets Tables  
Estimated future amortization expense of intangible assets

The following table outlines our estimated future amortization expense related to intangible assets held at December 31, 2015 (in thousands):

Years Ended December 31,     Amount
2016   $ 127 
2017     116 
2018     115 
2019     115 
2020     98 
Thereafter     274 
    $ 845