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Summary of Significant Accounting Policies (Intangibles) (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Intangible Assets [Line Items] |  |  |
Intangibles, net of accumulated amortization | $ 1,902,000us-gaap_IntangibleAssetsNetExcludingGoodwill | $ 2,027,000us-gaap_IntangibleAssetsNetExcludingGoodwill |
Amortization expense | 125,000us-gaap_AmortizationOfIntangibleAssets | 130,000us-gaap_AmortizationOfIntangibleAssets | 125,000us-gaap_AmortizationOfIntangibleAssets
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
2015 | 125,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths |  |
2016 | 125,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo |  |
2017 | 125,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree |  |
2018 | 125,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour |  |
2019 | 125,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive |  |
Thereafter | 625,000us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Gross Carrying Value | 3,159,000us-gaap_FiniteLivedIntangibleAssetsGross | 3,159,000us-gaap_FiniteLivedIntangibleAssetsGross |
Accumulated Amortization | 1,257,000us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization | 1,132,000us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization |
Net Book Value | 1,902,000us-gaap_FiniteLivedIntangibleAssetsNet | 2,027,000us-gaap_FiniteLivedIntangibleAssetsNet |
Impairment of intangible assets | 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill | 0us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill |
Trade Name |  |  |
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] |  |  |
Indefinite-lived intangible asset, gross carrying value | 654,000us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |  |
Developed Technology |  |  |
Intangible Assets [Line Items] |  |  |
Intangible assets, weighted average remaining life | 10 years |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Intangible assets, useful lives | 20 years | 20 years |
Gross Carrying Value | 2,505,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember | 2,505,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember |
Accumulated Amortization | 1,257,000us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember | 1,132,000us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember |
Net Book Value | 1,248,000us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember | 1,373,000us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_DevelopedTechnologyRightsMember |
Trade Name |  |  |
Finite-Lived Intangible Assets, Net [Abstract] |  |  |
Gross Carrying Value | 654,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 654,000us-gaap_FiniteLivedIntangibleAssetsGross / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Accumulated Amortization | 0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | 0us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |
Net Book Value | $ 654,000us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember | $ 654,000us-gaap_FiniteLivedIntangibleAssetsNet / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_TradeNamesMember |

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