Warrant Liability - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions |
Dec. 31, 2020 |
Dec. 31, 2019 |
Aug. 31, 2019 |
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| Class of Warrant or Right [Line Items] | |||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 1,112,313 | ||
| August 2019 Offering | |||
| Class of Warrant or Right [Line Items] | |||
| Total fair value of placement warrants | $ 0.3 | ||
| Common Stock | August 2019 Offering | |||
| Class of Warrant or Right [Line Items] | |||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 95,078 | ||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 32.10 |
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- Definition Exercise price per share or per unit of warrants or rights outstanding. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value portion of warrants not settleable in cash classified as equity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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