Description and Basis of Presentation (Detail)	9 Months Ended	1 Months Ended
Sep. 30, 2014 segment	Jun. 30, 2014 Reverse Stock Split Rate	Jun. 30, 2014 Forward Stock Split	Jun. 30, 2014 Forward Stock Split Rate
Class of Stock [Line Items]
Number of reportable segments (in segments)	2
Stock split ratio		0.002	500	500

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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration