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Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Basic Earnings Per Share
Net income	$ 1,642us-gaap_NetIncomeLoss	$ 1,248us-gaap_NetIncomeLoss
Weighted average common shares outstanding	3,297,022us-gaap_WeightedAverageNumberOfSharesOutstandingBasic	3,296,350us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Basic earnings per share	$ 0.50us-gaap_EarningsPerShareBasic	$ 0.38us-gaap_EarningsPerShareBasic
Diluted Earnings Per Share
Plus dilutive stock options and restricted stock units	11,913us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	6,458us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Weighted average common shares outstanding and potentially dilutive shares	3,308,935us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding	3,302,808us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted earnings per share	$ 0.50us-gaap_EarningsPerShareDiluted	$ 0.38us-gaap_EarningsPerShareDiluted

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- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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