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Equity	3 Months Ended
	Mar. 31, 2013
Stockholders' Equity Note [Abstract]
Stockholders Equity Note [Text Block]	Equity The Company did not sell any equity securities during the three months ended March 31, 2012 and 2013.

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- Definition

The entire disclosure for shareholders' equity, comprised of portions attributable to the parent entity and noncontrolling interest excluding treasury stock.

+ References

No definition available.

+ Details

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Period Type:	duration

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- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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