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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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