Note 12 - Geographic and Segment Information - Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Sales	$ 11,487	$ 11,976	$ 33,880	$ 37,687
UNITED STATES
Sales	7,793	8,652	23,459	27,660
Non-US [Member]
Sales	$ 3,694	$ 3,324	$ 10,421	$ 10,027

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