Note 12 - Revenue From Product Sales - Net Product Sales (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue	$ 27,482	$ 25,204	$ 71,951	$ 65,833
Jelmyto [Member]
Revenue	25,703	25,204	70,172	65,833
Zusduri [Member]
Revenue	$ 1,779	$ 0	$ 1,779	$ 0

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