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Income Taxes (Details) - USD ($)	9 Months Ended
	Sep. 30, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Amounts of tax benefits that would affect effective tax rate if recognized	$ 952,000	$ 819,000
Income tax accrued interest	71,000	45,000
Unrecognized tax benefits	1,305,000	$ 1,117,000
Statute of limitations	$ 210,000

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Income Taxes [Line Items]

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

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Amount of interest expense accrued for an underpayment of income taxes.

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

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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