Financial Instruments - Additional Information (Detail) - April 2018 Warrant [Member] - USD ($) $ / shares in Units, $ in Thousands |
1 Months Ended | 3 Months Ended | ||
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Apr. 30, 2018 |
Mar. 31, 2020 |
Mar. 31, 2019 |
Dec. 31, 2019 |
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| Schedule of Available-for-sale Securities [Line Items] | ||||
| Warrants maturity period | 5 years | |||
| Warrants to purchase common stock | 20,000 | |||
| Warrant exercise price | $ 11.73 | |||
| Fair value, balance | $ 5 | $ 7 | ||
| Change in fair value | $ 2 | $ (13) | ||
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value 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. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Definition Warrants maturity period. No definition available.
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- Details
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