Note 17 - Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Revenue from contract with customer	$ 202	$ 1,464
Transferred at Point in Time [Member]
Revenue from contract with customer	97	477
Transferred over Time [Member]
Revenue from contract with customer	105	987
UNITED STATES
Revenue from contract with customer	154	1,223
Europe [Member]
Revenue from contract with customer	48	184
Asia [Member]
Revenue from contract with customer	$ 0	$ 57

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