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Note 7 - Discontinued Operations - Sale of OMIDRIA - Gain (Loss) on Disposal Group (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 23, 2021 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Cash proceeds |  | $ 0 | $ 0 | $ 125,993
Discontinued Operations, Disposed of by Sale [Member] | Omidria Assets Disposal [Member] |  |  |  |
Cash proceeds | $ 126,000 |  |  | 125,993
OMIDRIA contract royalty asset |  |  |  | 184,570
Gain on sale of OMIDRIA, gross |  |  |  | 310,563
Transaction and closing costs |  |  |  | (1,972)
RSUs granted to transferred employees |  |  |  | (1,419)
Prepaid assets and inventory at cost |  |  |  | (1,524)
Gain on sale of OMIDRIA |  | $ 0 | $ 0 | $ 305,648

X
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