Note 17 - Revenue (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer, Excluding Assessed Tax	$ 202	$ 1,464
Contract with Customer, Liability	0	0	$ 987
Product [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	97	477
Technology Service [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 105	$ 987

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details