Severance (Q1) (Details) - Workforce reduction - USD ($) |
1 Months Ended | 3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jan. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Severance | |||||
| Workforce reduction | 55.00% | ||||
| Severance and termination-related expenses | $ 0 | $ 0 | |||
| Unpaid severance | $ 0 | $ 0 | |||
| General and administrative expense | |||||
| Severance | |||||
| Severance and termination-related expenses | $ 400,000 | 400,000 | |||
| Research and development | |||||
| Severance | |||||
| Severance and termination-related expenses | $ 1,300,000 | $ 1,300,000 | |||
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- Definition The number of positions eliminated during the period as a percentage of total positions eliminated during the period in connection with the restructuring plan(s). 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. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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