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Intangible Assets (Tables)
3 Months Ended
Mar. 31, 2015
Intangible Assets [Abstract]  
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
The estimated aggregate amortization expense for each of the five succeeding years and thereafter is as follows (in thousands):
 
2015
 
$
40
 
2016
  
54
 
2017
  
54
 
2018
  
54
 
2019
  
54
 
Thereafter
  
219
 
Total
 
$
475