Note 3 - Discontinued Operations (Details Textual) - Discontinued Operations [Member] - DSUVIA [Member] - USD ($) $ in Millions |
Apr. 03, 2023 |
Mar. 12, 2023 |
|---|---|---|
| Disposal Group, Including Discontinued Operation, Consideration | $ 1.1 | |
| Disposal Group, Including Discontinued Operation, Percentage of Royalty on Commercial Sales | 15.00% | |
| Disposal Group, Including Discontinued Operation, Maximum Amount in Sales-based Milestone | $ 116.5 | |
| Department of Defense [Member] | ||
| Disposal Group, Including Discontinued Operation, Percentage of Royalty on Commercial Sales | 75.00% |