v3.26.1
Note 8 - Segment Information - Schedule of Segment Reporting 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
Research and development $ 3,082   $ 1,074   $ 5,874 $ 1,960
General and administrative 1,186   1,235   2,561 2,221
Total operating expenses 4,268   2,309   8,435 4,181
Net loss (4,138) $ (4,003) (2,166) $ (1,769) (8,141) (3,935)
Operating Segments [Member] | Reportable Segment [Member]            
Research and development 3,082   1,074   5,874 1,960
General and administrative 1,186   1,235   2,561 2,221
Total operating expenses (4,268)   (2,309)   (8,435) (4,181)
Other income, net 130   143   294 246
Net loss (4,138)   (2,166)   (8,141) (3,935)
Operating Segments [Member] | Research of PH-762 [Member] | Reportable Segment [Member]            
Research and development 2,508   586   4,655 1,043
Operating Segments [Member] | Research of PH-894 [Member] | Reportable Segment [Member]            
Research and development 17   105   35 162
Operating Segments [Member] | Employee Related Research Expenses [Member] | Reportable Segment [Member]            
Research and development $ 557   $ 383   $ 1,184 $ 755