Note 7 - Discontinued Operations - Sale of OMIDRIA - Schedule of Discontinued Operations Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Discontinued Operations, Disposed of by Sale [Member] \| Omidria Assets Disposal [Member]
Net cash provided by discontinued operations from operating activities	$ 6,064	$ 5,374

Amount of cash inflow (outflow) from operating activity attributable to discontinued operation. Operating activity includes, but is not limited to, transaction, adjustment, and change in value not defined as investing or financing activity.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5B
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483499/205-20-50-5B

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 24
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-24

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration