Note 11 - Fair Value Measurements - Schedule of Assets and Liabilities on A Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Fair Value, Inputs, Level 1 [Member]
Money Market Account	$ 243	$ 487
Fair Value, Inputs, Level 3 [Member]
Warrant liabilities (Note 9)	16,266	5,639
Convertible note payable and accrued interest (Note 7)	$ 9,854	$ 6,257

Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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+ Details