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Stockholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	1 Months Ended	6 Months Ended
	May 30, 2013	Feb. 28, 2013	Jun. 30, 2013
Stockholders' Equity
Reverse stock split ratio	0.05
Shares authorized under share repurchase program		$ 10
Number of common stock shares repurchased			0

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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