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Stock-based compensation (Tables)

6 Months Ended

Jun. 30, 2012

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of stock option activity under the Company’s share-based compensation plans for the six months ended June 30, 2012 is presented in the following table:

				Options				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life (Years)				Aggregate Intrinsic Value  (1)
	Outstanding at beginning of period				378,394			$	14.91
	Granted				10,033				6.46
	Exercised				(151	)			6.46
	Forfeited/Expired				(67,365	)			20.62
	Outstanding as of June 30, 2012				320,911			$	13.45				2.45			$	52,552
	Exercisable as of June 30, 2012				204,337			$	15.10				1.61			$	52,552

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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