Income Taxes (Details 4) (USD $)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Deferred Tax Assets and Liabilities [Line Items]
Beginning balance	$ 91,000us-gaap_UnrecognizedTaxBenefits	$ 56,000us-gaap_UnrecognizedTaxBenefits
Settlements and effective settlements with tax authorities	0	0
Lapse of statute of limitations	(6,000)	(7,000)
Increases in balances related to tax positions taken during prior periods	0	40,000
Decreases in balances related to tax positions taken during prior periods	(46,000)	(11,000)
Increases in balances related to tax positions taken during current period	9,000	13,000
Ending Balance	$ 48,000us-gaap_UnrecognizedTaxBenefits	$ 91,000us-gaap_UnrecognizedTaxBenefits

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Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

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-Section 50

-Paragraph 15A

-Subparagraph (a)

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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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