Long-term Debt - Convertible Notes 2020 (Details) - 2020 Convertible Notes Member - USD ($) $ in Millions |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2020 |
Mar. 31, 2022 |
Mar. 31, 2021 |
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Debt Instrument [Line Items] | |||||
| Gross proceeds from issuance | $ 2.0 | ||||
| Interest rate | 6.00% | ||||
| Minimum gross proceeds from sale of preferred stock required for conversion | $ 2.0 | ||||
| Conversion price as percentage of the price per share paid by the other investors | 80.00% | ||||
| Embedded derivative fair value | $ 1.0 | ||||
| Initial carrying value | $ 3.0 | ||||
| Total interest incurred | $ 0.0 | $ 0.1 | |||
| Series B-1 Preferred Stock | |||||
| Debt Instrument [Line Items] | |||||
| Minimum gross proceeds from sale of preferred stock required for conversion | $ 10.0 | ||||
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- Definition Represents the conversion price as percentage of the price per share paid by the other investors. No definition available.
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- Definition Represents the amount of minimum gross proceeds from sale of preferred stock required for conversion. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. 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 Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cash inflow from the issuance of a long-term debt instrument which can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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