Note 3 - Revenue - Timing of Revenue Recognition (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Revenues	$ 8,676	$ 7,490	$ 21,241	$ 19,430
Transferred at Point in Time [Member]
Revenues	5,723	6,263	15,455	15,987
Transferred over Time [Member]
Revenues	$ 2,953	$ 1,227	$ 5,786	$ 3,443

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