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Note 14 - Revenue (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Revenue from Contract with Customer, Excluding Assessed Tax	$ 22	$ 32	$ 86	$ 52
Contract with Customer, Liability	0	74	0	74
Revenue, Remaining Performance Obligation, Amount	0		0		$ 0
Product [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	22	6	22	26
Technology Service [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 0	$ 26	$ 64	$ 26

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