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Earnings Per Share - Computation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Earnings Per Share [Abstract]
Net income	$ 1,209	$ 2,417	$ 3,532	$ 5,204
Basic weighted average shares outstanding	8,921,480	9,139,329	9,076,305	9,119,925
Dilutive common stock equivalents using treasury stock method	242,686	476,355	376,312	464,026
Diluted weighted average shares outstanding	9,164,165	9,615,684	9,452,616	9,583,951
Basic earnings per common share	$ 0.14	$ 0.26	$ 0.39	$ 0.57
Diluted earnings per common share	$ 0.13	$ 0.25	$ 0.37	$ 0.54
Weighted average options outstanding	832,766	1,061,705	900,687	1,045,697
Anti-dilutive options not included in the computations	312,372	218,875	312,477	255,375

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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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