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Earnings per share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Schedule of Reconciliation of Weighted Average Shares Used in Calculation of Basic and Diluted Earnings Per Share

The following is a reconciliation of the weighted average shares used in the basic and diluted net income (loss) per common share computations.

		Three Months Ended June 30,								Six Months Ended June 30,
		2013				2012				2013				2012
						(Restated)								(Restated)
Weighted average common shares-basic			19,140,520				18,827,452				19,285,004				18,751,573
Effect of dilutive securities:
Unexercised stock options net of treasury share repurchase			129,524				388,532				198,711				417,367
Weighted average common shares-diluted			19,270,044				19,215,984				19,483,715				19,168,940

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- Definition

Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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