Note 4 - Property, Plant and Equipment, Net (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Depreciation, Depletion and Amortization	$ 1,692	$ 1,635
Machinery and Equipment [Member]
Property, Plant, and Equipment, Salvage Value	$ 8	$ 0

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Reference 2: http://www.xbrl.org/2003/role/exampleRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration