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Summary of Assumptions to Estimate the Fair Value of Warrant Liability (Detail) - Fair Value, Inputs, Level 3 shares in Thousands | Sep. 30, 2019 shares
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |
Number of shares | 5,841,250
Expected term | 2 years 4 months 24 days
Expected volatility | 0.7
Risk-free interest rate | 0.016
Dividend yield | 0

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- Definition Warrants fair value assumptions risk free rate. + References No definition available. + Details
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- Definition Number of warrants or rights outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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