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Segments | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Segments | 10. Segments The Company operates and manages its business as one reportable segment, which is also the Company’s only operating segment. Such segment is the business of developing and commercializing the investigational therapy Haduv io (oral nalbuphine ER) for the treatment of chronic cough in patients with IPF, non-IPF ILD, and RCC. The Company’s chief operating decision maker (“CODM”) is th e President and Chief Executive Officer. The CODM assesses performance for the segment and decides how to allocate resources based on consolidated net loss that is also reported on the Company’s consolidated statements of comprehensive loss. The measure of segment assets is reported on the consolidated balance sheets as total consolidated assets. The CODM uses consolidated net loss to evaluate the Company’s spend and monitor budget versus actual results. The monitoring of budgeted versus actual results is used in assessing performance of the segment and in establishing resource allocation across the organization. The accounting policies of the segment are the same as those described in Note 2 of the notes to the Condensed Consolidated Financial Statements included in this Quarterly Report on Form 10-Q. The following table presents reportable segment loss, including significant expense categories, attributable to the Company’s reportable segment for the periods presented:
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Chronic cough in IPF clinical trial expense |  | $ | 822 |  |  | $ | 4,592 |  |  | $ | 6,743 |  |  | $ | 11,116 |
Refractory chronic cough clinical trial expense |  |  | 119 |  |  |  | 2,035 |  |  |  | 1,371 |  |  |  | 4,642 |
Clinical trial material |  |  | 4,304 |  |  |  | 713 |  |  |  | 5,622 |  |  |  | 3,875 |
Other clinical trials and studies 1 |  |  | 780 |  |  |  | 908 |  |  |  | 1,344 |  |  |  | 2,245 |
Other clinical development expenses 2 |  |  | 1,549 |  |  |  | 1,217 |  |  |  | 4,827 |  |  |  | 2,969 |
Employee compensation (excluding stock compensation expense) |  |  | 3,041 |  |  |  | 2,284 |  |  |  | 8,816 |  |  |  | 6,716 |
Stock-based compensation expense |  |  | 1,243 |  |  |  | 822 |  |  |  | 3,835 |  |  |  | 2,671 |
Other segment items 3 |  |  | 2,045 |  |  |  | 1,497 |  |  |  | 6,518 |  |  |  | 5,021 |
Interest income, net |  |  | (2,101 | ) |  |  | (826 | ) |  |  | (4,633 | ) |  |  | (2,759 | )
Net loss |  | $ | 11,802 |  |  | $ | 13,242 |  |  | $ | 34,443 |  |  | $ | 36,496 |
(1) Includes expense related to the Company’s drug-drug interaction study, human abuse potential study, Phase 2 CANAL trial of Haduvio for the treatment of chronic cough in patients with IPF, and Phase 2b/3 PRISM trial of Haduvio for the treatment of prurigo nodularis. (2) Includes expense related to general research and development activities, regulatory, medical affairs, and quality assurance. (3) Includes general administrative expense, interest expense, net, other (expense) income, net and income tax benefit.

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- Definition The entire disclosure for reporting segments including data and tables. 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