Note 3 - Inventories, Net (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Inventory Write-down | $ 810 | $ 712 |
| Amended License Agreement [Member] | ||
| Inventory Write-down | 300 | |
| DSUVIA [Member] | ||
| Inventory Write-down | $ 400 | |