Capital Stock - Series X and Series Y Convertible Preferred Stock (Details) - $ / shares |
12 Months Ended | ||||
|---|---|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2023 |
Dec. 31, 2022 |
Dec. 31, 2021 |
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| Sale of stock | |||||
| Preferred stock, shares authorized (in shares) | 1,000,000 | 1,000,000 | |||
| Series X And Series Y Convertible Preferred Stock | |||||
| Sale of stock | |||||
| Number of shares issued for each share of convertible preferred stock that is converted | 1,000 | 1,000 | |||
| Series X Convertible Preferred Stock | |||||
| Sale of stock | |||||
| Shares issued (in shares) | 5,003 | ||||
| Preferred stock, shares authorized (in shares) | 5,003 | 5,003 | |||
| Preferred stock, shares issued (in shares) | 5,003 | 5,003 | |||
| Preferred stock conversion price per share | $ 4.03 | ||||
| Series Y Convertible Preferred Stock | |||||
| Sale of stock | |||||
| Shares issued (in shares) | 1,252.772 | ||||
| Preferred stock, shares outstanding (in shares) | 0 | ||||
| Preferred stock conversion price per share | $ 13.00 | ||||
| X | ||||||||||
- Definition Number of shares issued for each share of convertible preferred stock that is converted. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Preferred stock conversion price per share. No definition available.
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