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Note 5 - Property and Equipment (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Depreciation	$ 1	$ 1	$ 5	$ 24
Gain (Loss) on Disposition of Property Plant Equipment, Excluding Oil and Gas Property and Timber Property	209	$ 0	346	$ 0
Tangible Asset Impairment Charges	$ 3		$ 33		$ (0)

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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