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Income Per Share (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Income Per Share
Weighted average common shares outstanding, basic	6,693,981	6,465,968	6,641,174	6,429,945
Weighted average common equivalent shares due to stock options and RSUs	361,036	515,870	405,125	544,161
Weighted average common shares outstanding, diluted	7,055,017	6,981,838	7,046,299	6,974,106
Number of stock awards excluded from the computation of diluted income per share	17,770	3,338	17,770	1,678

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