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Significant Accounting Policies (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Schedule of reconciliation of shares used to calculate basic and diluted earnings per share
Weighted average shares outstanding used to compute basic earnings per share	11,430	11,692	11,425	12,215
Incremental shares issuable upon the assumed exercise of stock options		15		16
Unvested restricted stock	53	30	55	32
Shares used to compute diluted earnings per share	11,483	11,737	11,480	12,263

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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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