Note 9 - Financial Instruments Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025	Nov. 22, 2024
Debt Instrument, Face Amount	$ 21,975	$ 21,975
The 2024 Convertible Notes [Member]
Debt Instrument, Face Amount	$ 21,975	$ 21,975	$ 21,975

Face (par) amount of debt instrument at time of issuance.

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Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant