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Net Income Per Share - Basic and Diluted Net Income Per Share Calculations (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Earnings Per Share [Abstract]
Basic shares	6,129,380	6,027,562	6,125,291	6,024,935
Dilutive shares	83,400		83,400
Diluted shares	6,212,780	6,027,562	6,208,691	6,024,935
Net income	$ 837	$ 904	$ 2,829	$ 2,972
BASIC NET INCOME PER SHARE	$ 0.14	$ 0.15	$ 0.46	$ 0.49
DILUTED NET INCOME PER SHARE	$ 0.13	$ 0.15	$ 0.46	$ 0.49

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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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