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Net Income (Loss) Per Common Share - Schedule of Potential Dilutive Common Shares (Detail) | 9 Months Ended
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Sep. 30, 2017 shares
Minimum [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 342,185,936
Minimum [Member] | Series A Preferred Stock [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 10,065,629
Minimum [Member] | Series B Redeemable Convertible Preferred Stock [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 266,666,667
Maximum [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 419,392,284
Maximum [Member] | Series A Preferred Stock [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 10,065,629
Maximum [Member] | Series B Preferred Stock Conversion Per Share Below 2.25 [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 1,015,872
Maximum [Member] | Series B Redeemable Convertible Preferred Stock [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 342,857,143
Restricted Shares Subject to Vesting [Member] | Minimum [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 4,053,640
Restricted Shares Subject to Vesting [Member] | Maximum [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 4,053,640
Warrants Outstanding [Member] | Minimum [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 61,400,000
Warrants Outstanding [Member] | Maximum [Member] |
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items] |
Potential dilutive shares if converted to common stock | 61,400,000

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + 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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