Rights Agreement (Details) (USD $)	Feb. 02, 2013
Disclosure Text Block Supplement [Abstract]
Class of Warrant or Right, Number of Securities Called by Warrants or Rights	0.01
Class of Warrant or Right, Exercise Price Per Share	$ 200
Equity Method Investment, Ownership Percentage	20.00%
Class of Warrant or Right, Event Percentage Sold Causing Earning Power to Another Person	50.00%
Class of Warrant or Right, Exercise Price Percentage in Event Rights Permit Stockholder Other Than Acquiring Person to Purchase	200.00%
Preferred Stock, Redemption Price Per Share	$ 0.01

Class of Warrant or Right, Event Percentage Sold Causing Earning Power to Another Person

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- Definition

Class of Warrant or Right, Exercise Price Percentage in Event Rights Permit Stockholder Other Than Acquiring Person to Purchase

+ References

No definition available.

+ Details

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- Definition

Class of Warrant or Right, Exercise Price Per Share

+ References

No definition available.

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- Definition

Redemption value per share of rights

+ References

No definition available.

+ Details

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- Definition

The specified number of securities that each class of warrants or rights outstanding give the holder the right but not the obligation to purchase from the issuer at a specific price, on or before a certain date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(i)(2))

-URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph i

-Subparagraph 2

-Article 4

+ Details

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

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