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Derivative Financial Instruments - Changes in Fair Values of Derivative Liabilities (Detail) - USD ($) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015
Derivative [Line Items] |  |  |  |
Derivative income (expense) | $ 61,051 | $ 211,890 | $ 3,398,525 | $ (251,013)
Total derivative income (expense) | 61,051 | 211,890 | 3,398,525 | (251,013)
2014 Convertible Promissory Notes [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative income (expense) |  | 147,142 | 3,396,190 | (331,984)
Warrant Derivatives [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative income (expense) | $ 61,051 | $ 64,748 | $ 2,335 | $ 80,971

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + 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 Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 + Details
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- Details
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