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Derivative Financial Instruments - Significant Assumptions Utilized in Valuation Technique (Parenthetical) (Detail) | 9 Months Ended
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Sep. 30, 2015 $ / shares
Derivative [Line Items] |
Underlying price per share used in the MCS calculations | $ 2.5
Oceanica Resources S. de. R.L [Member] |
Derivative [Line Items] |
Percentage of shares purchased by private investor | 24.00%
Per share value of shares purchased by private investor | $ 2.5

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- Definition Percentage of shares purchased by agent in private placement. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. + References No definition available. + Details
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- Details
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