v3.26.1
Segment Reporting - Schedule of Segment Reporting Information, by Segment (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
Segment Reporting [Line Items]            
Revenues $ 13,819   $ 10,003   $ 28,265 $ 18,723
Costs and expenses:            
Total Manufacture and Supply Expenses 4,017   4,561   7,486 8,213
Total Research and Development Expenses 3,962   4,105   8,166 9,466
General & Administrative expenses:            
Total Selling, General and Administrative Expenses 14,063   12,705   25,040 31,777
Total costs and expenses 22,042   21,371   40,692 49,456
Loss from operations (8,223)   (11,368)   (12,427) (30,733)
Net loss before income taxes (22,864)   (13,548)   (30,921) (36,478)
Net loss (22,864) $ (8,057) (13,548) $ (22,930) (30,921) (36,478)
Comprehensive loss (22,864)   (13,548)   (30,921) (36,478)
Reportable Segment            
Segment Reporting [Line Items]            
Revenues 13,819   10,003   28,265 18,723
Costs and expenses:            
Total Manufacture and Supply Expenses 4,017   4,561   7,486 8,213
Total Research and Development Expenses 3,962   4,105   8,166 9,466
Selling expenses:            
Total Selling expenses 2,174   3,520   4,095 6,476
General & Administrative expenses:            
Total General and Administrative Expenses 11,889   9,185   20,945 25,301
Total Selling, General and Administrative Expenses 14,063   12,705   25,040 31,777
Total costs and expenses 22,042   21,371   40,692 49,456
Loss from operations (8,223)   (11,368)   (12,427) (30,733)
Other income/(expenses), net (14,641)   (2,180)   (18,494) (5,745)
Net loss before income taxes (22,864)   (13,548)   (30,921) (36,478)
Net loss (22,864)   (13,548)   (30,921) (36,478)
Comprehensive loss (22,864)   (13,548)   (30,921) (36,478)
Reportable Segment | Anaphylm project expenses            
Costs and expenses:            
Total Research and Development Expenses 1,055   1,204   2,140 3,692
Reportable Segment | AQST-108 project expenses            
Costs and expenses:            
Total Research and Development Expenses 152   190   710 385
Reportable Segment | Personnel costs            
Costs and expenses:            
Total Research and Development Expenses 2,181   2,218   4,423 4,350
Selling expenses:            
Total Selling expenses 1,730   608   3,374 1,302
General & Administrative expenses:            
Total General and Administrative Expenses 6,602   5,176   12,111 10,016
Reportable Segment | Other            
Costs and expenses:            
Total Research and Development Expenses 574   493   893 1,039
Selling expenses:            
Total Selling expenses 444   2,912   721 5,174
General & Administrative expenses:            
Total General and Administrative Expenses $ 5,287   $ 4,009   $ 8,834 $ 15,285