Note 3 - Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Raw materials	$ 24	$ 18
Finished goods	47	15
Inventories	$ 71	$ 33

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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