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Note 15 - Segment Information | 12 Months Ended
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Dec. 31, 2025
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | 15. Segment Information An operating segment is identified as a component of an enterprise that engages in business activities about which separate discrete financial information and operating results is regularly reviewed by the chief operating decision-maker (CODM) in making decisions regarding resource allocation and assessing performance. The Company's CODM is the Chief Executive Officer. The Company operates in a single operating segment focused on the development of its drug product candidate DM199 for the treatment of severe ischemic disease. The CODM manages and allocates resources to the operations of the Company on a total company basis. Further, the CODM reviews and utilizes functional expenses (i.e., research, development and general and administrative) at the consolidated level to manage the Company's operations. Other segment items included in consolidated net loss are revenues, share-based compensation, interest income, other expense, net, and income tax expense, which are reflected in the consolidated statements of operations and comprehensive loss. The measure of segment assets is reported on the consolidated balance sheet as total consolidated assets. The following table presents financial information, including significant segment expenses, which are regularly provided to the CODM and included within segment and consolidated net loss:
|  | Year Ended December 31, |
|  | 2025 |  |  | 2024 |
Operating expenses, excluding share-based compensation |  |  |  |  |  |  |  |
Research and development |  | $ | 23,294 |  |  | $ | 18,436 |
General and administrative |  |  | 7,257 |  |  |  | 6,160 |
Total operating expenses, excluding share-based compensation |  |  | 30,551 |  |  |  | 24,596 |
Share-based compensation |  |  |  |  |  |  |  |
Research and development |  |  | 1,320 |  |  |  | 621 |
General and administrative |  |  | 2,526 |  |  |  | 1,464 |
Total share-based compensation |  |  | 3,846 |  |  |  | 2,085 |
Operating loss |  |  | (34,397 | ) |  |  | (26,681 | )
Interest income |  |  | 1,669 |  |  |  | 2,301 |
Other expense, net |  |  | (10 | ) |  |  | (34 | )
Income tax expense |  |  | (28 | ) |  |  | (30 | )
Segment and consolidated net loss |  | $ | (32,766 | ) |  | $ | (24,444 | )

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