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Fair Value Measurements - Summary of Reconciliation of Beginning and Ending Balances for Liabilities Measured at Fair Value on Recurring Basis (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 USD ($)
Warrant liability |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Beginning balance | $ 986
December 2019 Public Offering warrants | 13,921
Gain (loss) adjustment to fair value | 3,489
Ending balance | 18,396
Derivative liability |
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |
Bifurcated embedded conversion option associated with Notes | 6,960
Gain (loss) adjustment to fair value | (2,112)
Adjustment for April 2019 conversion of Notes | (1,656)
Ending balance | $ 3,192

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- Definition Fair value measurement with unobservable inputs reconciliation recurring basis liability adjustment for conversion of notes. + References No definition available. + Details
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- Definition Amount of issuances of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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