Capital Structure - Common Stock Warrants (Details) - $ / shares |
Dec. 31, 2020 |
Dec. 31, 2018 |
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| Class of Warrant or Right [Line Items] | ||
| Number of shares available under warrant (in shares) | 4,000,000 | |
| Exercise price per share (in dollars per share) | $ 12.50 | |
| Common Stock | ||
| Class of Warrant or Right [Line Items] | ||
| Number of shares available under warrant (in shares) | 4,002,380 | |
| Common Stock Warrants, Expiration Date of May 2022 | Common Stock | ||
| Class of Warrant or Right [Line Items] | ||
| Number of shares available under warrant (in shares) | 2,380 | |
| Exercise price per share (in dollars per share) | $ 8.68 | |
| Common Stock Warrants Expiration Date of June 2024 | Common Stock | ||
| Class of Warrant or Right [Line Items] | ||
| Number of shares available under warrant (in shares) | 4,000,000 | |
| Exercise price per share (in dollars per share) | $ 12.50 |
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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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