Summary of Significant Accounting Policies - Summary of Quantitative Information with Respect to Significant Unobservable Inputs (Detail) |
12 Months Ended | |
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May 17, 2017 |
Dec. 31, 2016 |
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| Fair Value Inputs, Quantitative Information [Abstract] | ||
| Volatility | 70.00% | 80.00% |
| Risk free rate | 1.44% | 1.84% |
| Discount for lack of marketability | 0.00% | 20.00% |
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- Definition Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Risk-free interest rate assumption used in valuing an instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Adjustment to the discount rate used to measure fair value for lack of ability to convert business interests into cash quickly. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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