Segment Information (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2026 |
Mar. 31, 2026 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Revenues from External Customers and Long-Lived Assets [Line Items] | ||||||
| Revenue from external customers | $ 8,806 | $ 1,973 | $ 11,514 | $ 30,780 | ||
| Direct research and development program expenses (X4P-001, mavorixafor) | 15,079 | 18,352 | 30,529 | 36,865 | ||
| Net loss | (16,157) | $ (20,241) | (25,741) | $ 282 | (36,398) | (25,459) |
| Reportable Segment | ||||||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||||||
| Revenue from external customers | 8,806 | 1,973 | 11,514 | 30,780 | ||
| Compensation expense, excluding stock-based compensation, stock appreciation rights compensation expense and severance expense | 4,820 | 9,903 | 9,900 | 21,473 | ||
| Direct research and development program expenses (X4P-001, mavorixafor) | 10,428 | 9,413 | 20,824 | 17,825 | ||
| Other segment items | 9,715 | 8,398 | 17,188 | 16,941 | ||
| Net loss | $ (16,157) | $ (25,741) | $ (36,398) | $ (25,459) | ||
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- Definition Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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 other expense (income) and loss (gain) calculated as difference between segment revenue and separately disclosed expense category to arrive at segment profit (loss). Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Details
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