Closing of Merger and Financing Transaction - Summary of Business Acquisition, ProForma Information (Parenthetical) (Detail)	0 Months Ended	3 Months Ended
Sep. 03, 2013	Mar. 31, 2014
Business Combination Increase Decrease To Reflect Liabilities Acquired At Fair Value [Abstract]
Reverse stock split, ratio	1.1533	0.2

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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