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Segment Reporting (Tables) | 3 Months Ended
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Mar. 31, 2026
Segment Reporting [Abstract] |
Summary of Expense Categories Reviewed | The table below summarizes the expense categories reviewed by the CODM for the three months ended March 31, 2026 and 2025:
|  | Three Months Ended March 31, |
|  | 2026 |  |  | 2025 |
External research and development(1) |  |  |  |  |  |
Ribupatide injection |  | $ | (50,571 | ) |  | $ | (4,469 | )
KAI-7535 |  |  | (4,483 | ) |  |  | (374 | )
KAI-4729 |  |  | (410 | ) |  |  | (232 | )
Ribupatide oral |  |  | (361 | ) |  |  | - |
Unallocated research and development and other(2) |  |  | (3,574 | ) |  |  | (796 | )
General and administrative(3) |  |  | (4,417 | ) |  |  | (3,586 | )
Personnel related (including stock-based compensation)(4) |  |  | (20,844 | ) |  |  | (11,001 | )
Interest income |  |  | 5,716 |  |  |  | 1,675 |
Other income (expense), net |  |  | 79 |  |  |  | 800 |
Net loss |  | $ | (78,865 | ) |  | $ | (17,983 | )
1) External research and development is allocated to the Company’s programs, and includes nonclinical, clinical trial, contract manufacturing, non-employee consultant and contractor, and other research and development costs. 2) Unallocated research and development includes external costs that are not program specific primarily related to consultant and contractor costs, in addition to research and development allocated rent expense and depreciation. 3) General and administrative includes external costs related to the Company’s executive, finance, legal, and other administrative functions, such as professional fees for legal, patent, consulting, accounting, audit and tax services. General and administrative also includes information technology costs and general and administrative allocated rent expense and depreciation. 4) Internal costs includes salaries and related costs, including stock-based compensation, for employees.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-22 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-30 + Details
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