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Income Per Share (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Income Per Share
Weighted average common shares outstanding, basic	6,720,756	6,510,523	6,667,895	6,457,099
Weighted average common equivalent shares due to stock options and RSUs	353,875	488,701	387,502	528,233
Weighted average common shares outstanding, diluted	7,074,631	6,999,224	7,055,397	6,985,332
Number of stock awards excluded from the computation of diluted income per share	10,000	0	17,700	0

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