v3.26.1
Note 12 - Segment Reporting - Schedule of Segment Reporting Information, by Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenues $ 27,185 $ 39,730 $ 66,413 $ 60,606
Research and Development Expense 33,754 49,735 63,167 80,479
General and administrative 6,603 4,598 11,244 9,665
Interest income (578) (310) (1,129) (747)
Non-cash interest expense related to sale of future royalties 538 672 1,043 1,669
Income Tax Expense (Benefit) 29 20 58 115
Segment net loss (13,494) (14,986) (8,315) (30,577)
Operating Segments [Member] | Single Reportable Segment [Member]        
Revenues 27,185 39,730 66,413 60,606
General and administrative 6,603 4,598 11,244 9,665
Interest income (578) (310) (1,129) (747)
Non-cash interest expense related to sale of future royalties 538 672 1,043 1,669
Other segment items(A) [1] 333 1 345 2
Income Tax Expense (Benefit) 29 20 58 115
Segment net loss (13,494) (14,986) (8,315) (30,577)
Operating Segments [Member] | Single Reportable Segment [Member] | Norovirus Program [Member]        
Research and Development Expense 139 1,152 186 2,708
Operating Segments [Member] | Single Reportable Segment [Member] | Covid-19 Program [Member]        
Research and Development Expense 25,922 36,475 46,316 52,193
Operating Segments [Member] | Single Reportable Segment [Member] | Other Programs [Member]        
Research and Development Expense 0 40 0 346
Operating Segments [Member] | Single Reportable Segment [Member] | Preclinical Research [Member]        
Research and Development Expense 53 225 134 624
Operating Segments [Member] | Single Reportable Segment [Member] | Process Development Program [Member]        
Research and Development Expense 0 0 0 46
Operating Segments [Member] | Single Reportable Segment [Member] | Internal Research and Development Costs [Member]        
Research and Development Expense 7,640 11,843 16,531 24,562
Segment Reporting, Reconciling Item, Excluding Corporate Nonsegment [Member]        
Segment net loss $ 0 $ 0 $ 0 $ 0
[1] Other segment items included in other income (expense), net.