Stockholders' equity (deficit) - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions |
Jan. 22, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|---|
| Class of Stock [Line Items] | |||
| Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 | |
| Private Placement | |||
| Class of Stock [Line Items] | |||
| Sale of stock, consideration | $ 4.1 | ||
| Sale of stock, purchase price (in dollars per share) | $ 7.50 | ||
| Number of shares issuable per unit (in shares) | 1 | ||
| Common stock, par value (in dollars per share) | $ 0.001 | ||
| Number of warrants in each unit (in shares) | 1 | ||
| Officers and directors | Private Placement | |||
| Class of Stock [Line Items] | |||
| Proceeds from issuance of common stock | $ 1.6 |
| X | ||||||||||
- Definition Number Of Warrants In Each Unit No definition available.
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- Definition Sale Of Stock, Gross Consideration Received On Transaction No definition available.
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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 each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares. No definition available.
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- Definition Face amount or stated value per share of common stock. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The cash inflow from the additional capital contribution to the entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction. No definition available.
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- Details
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- Details
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