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Liquidity - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended
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Sep. 30, 2013 | Mar. 31, 2014
Organization Consolidation And Presentation Of Financial Statements [Abstract] |  |
Issuance of shares for cash | $ 14,924 | $ 33,300

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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
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