Warrants - Change in warrant liability (Q1) (Details) - USD ($) $ in Thousands |
1 Months Ended | 3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jun. 24, 2020 |
Oct. 31, 2020 |
Mar. 31, 2021 |
Mar. 31, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
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| Class of Warrant or Right [Line Items] | ||||||
| Beginning balance | $ 39,850 | $ 0 | $ 0 | |||
| Change in fair value of warrant liabilities | $ 100 | 6,483 | $ (1,379) | 24,898 | $ 0 | |
| Ending balance | 46,333 | 39,850 | $ 0 | |||
| Series F Warrants | ||||||
| Class of Warrant or Right [Line Items] | ||||||
| Issuance of Series F warrants | $ 14,952 | |||||
| Change in fair value of warrant liabilities | $ 6,483 | $ 24,898 | ||||
| X | ||||||||||
- Definition Issuance Of Warrants 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 Amount of expense (income) related to adjustment to fair value of warrant liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Details
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