Consolidated Statements of Mandatorily Redeemable Convertible Preferred Stock and Changes in Stockholders' Deficit (Parenthetical)	0 Months Ended	6 Months Ended
Jun. 13, 2013	Jun. 30, 2013
Consolidated Statements of Mandatorily Redeemable Convertible Preferred Stock and Changes in Stockholders' Deficit
Reverse stock split ratio	0.67	0.67

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Stock Split

-URI http://asc.fasb.org/extlink&oid=6525746

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 4

-Subparagraph (SAB TOPIC 4.C)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

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Data Type:	xbrli:pureItemType
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Period Type:	duration