Note 3 - Revenue - Revenues Disaggregated by Geography (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues	$ 7,042	$ 5,461	$ 11,999	$ 12,748
UNITED STATES
Revenues	4,471	4,316	8,066	10,297
Latin America [Member]
Revenues	293	153	608	153
Europe [Member]
Revenues	1,688	820	2,544	1,399
Asia [Member]
Revenues	590	172	781	899
Non-US [Member]
Revenues	$ 2,571	$ 1,145	$ 3,933	$ 2,451

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