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Common and Preferred Stock, Additional Paid-In Capital and Dividends, Issuance of Common Stock and Warrants as Part of June 2022 Registered Direct Offering (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 07, 2022 | Jun. 03, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Oct. 06, 2022 | Jun. 30, 2022
Issuance of Common Stock and Warrants [Abstract] |  |  |  |  |  |  |
Gross proceeds |  |  | $ 12 | $ 4,556 | $ 0 |  |
Expenses incurred related to offering |  |  | $ 1,260 | $ 1,671 | $ 0 |  |
Pre-Funded Warrants [Member] |  |  |  |  |  |  |
Issuance of Common Stock and Warrants [Abstract] |  |  |  |  |  |  |
Offering price (in dollars per share) |  | $ 120 |  |  |  |  |
Warrants issued (in shares) |  | 9,603,000 |  |  |  |  |
Number of securities called by warrants (in shares) |  |  |  |  |  |  | 40,012
Exercise price (in dollars per share) |  | $ 0.024 |  |  |  |  |
June 2022 Warrants [Member] |  |  |  |  |  |  |
Issuance of Common Stock and Warrants [Abstract] |  |  |  |  |  |  |
Warrants issued (in shares) |  | 14,303,000 |  |  |  |  |
Number of securities called by warrants (in shares) |  |  |  |  |  |  | 59,595
Term of warrant |  |  | 5 years |  |  |  |
Gross proceeds | $ 4,827 |  |  |  |  |  |
Exercise price (in dollars per share) |  |  |  |  |  | $ 120 | $ 120
June 2022 Registered Direct Offering [Member] |  |  |  |  |  |  |
Issuance of Common Stock and Warrants [Abstract] |  |  |  |  |  |  |
Shares registered under direct offering (in shares) |  | 19,583 |  |  |  |  |
Offering price (in dollars per share) |  | $ 120 |  |  |  |  |
Gross proceeds |  | $ 7,151 |  |  |  |  |
Expenses incurred related to offering |  | $ 544 |  |  |  |  |

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- Definition Number of shares registered on the Company's Registration Statement on Form F-3 in connection with a registered direct offering. + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481112/505-10-50-3 + Details
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