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Fair Value of Financial Instruments - Fair Value of Warrants Determined by Using Option Pricing Model (Detail) - Warrant Liability [Member] | Sep. 30, 2016 $ / shares
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Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items] |
Expected term | 4 years 10 months 24 days
Common stock market price | $ 2.03
Risk-free interest rate | 1.18%
Expected volatility | 70.50%
Resulting fair value (per warrant) | $ 1.05

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- Definition Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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