v3.23.2

Note 8 - Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Dec. 31, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | December 31, |
|  | 2022 |  |  | 2021 |
Product sales: |  |  |  |  |  |  |  |
Zalviso |  | $ | — |  |  | $ | 270 |
Total product sales |  |  | — |  |  |  | 270 |
Contract and collaboration revenue: |  |  |  |  |  |  |  |
Non-cash royalty revenue related to Royalty Monetization (Note 11) |  |  | — |  |  |  | 83 |
Royalty revenue |  |  | — |  |  |  | 28 |
Other revenue |  |  | — |  |  |  | (3 | )
Total revenues from contract and other collaboration |  |  | — |  |  |  | 108 |
Total revenue |  | $ | — |  |  | $ | 378 |

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