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Summary of Significant Accounting Policies - Warrants (Details) - USD ($) | Sep. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
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Accounting Policies [Abstract] |  |  |  |
Sale of private placement warrants (in shares) | 225,223 | 225,223 | 383,281 |
Class of warrant or right, exercise price of warrants or rights (in dollars per share) |  | $ 14.69 | $ 19.93 |
Warrants | $ 2,022,000 | $ 1,729,000 | $ 0 | $ 107,000

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644 + Details
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- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References No definition available. + Details
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