| Liquidity - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended | 
|---|---|---|
| Jun. 30, 2013 | Mar. 31, 2014 | |
| Short-term Debt [Line Items] | ||
| Issuance of shares for cash | $ 2,700 | $ 33,300 | 
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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