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Schedule of Estimated Amortization Expense, Intangible Assets (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
2015 $ 607us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
2016 587us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 572us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 572us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 $ 566us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive