Note 2 - Revenue Recognition - Timing of Revenue Recognition (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Revenues	$ 26,677	$ 25,133
Transferred at Point in Time [Member]
Revenues	21,257	17,236
Transferred over Time [Member]
Revenues	$ 5,420	$ 7,897

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