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Legal Proceedings - Additional Information (Detail) (USD $) | 0 Months Ended | 1 Months Ended |  | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 11, 2013 | Dec. 31, 2013 | Nov. 30, 2013 | May 31, 2014 Ki Yong Choi [Member] | May 26, 2011 Minimum [Member]
Schedule Of Members Equity [Line Items] |  |  |  |  |
Jurisdictional amount of the court |  |  |  |  | $ 75,000
Settlement fee paid |  | 525,000 |  |  |
Accrual expenses |  |  | 525,000 |  |
Shareholder derivative complaint date |  |  |  | Nov. 13, 2013 |
Minimum jurisdictional amount | $ 75,000 |  |  |  |

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- Definition Accrued legal settlement. + References No definition available. + Details
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- Definition Date of filing verified shareholder derivative complaint. + References No definition available. + Details
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- Definition Jurisdictional amount of the court. + References No definition available. + Details
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- Definition Minimum jurisdictional amount. + References No definition available. + Details
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- Details
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- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
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