Note 2 - Revenue - Net Sales by Product and Service (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
Net sales	$ 10,951	$ 11,861
Less: sales returns	(81)	(32)
Product [Member]
Net sales	10,631	11,048
Administrative Fees, Freight and Other [Member]
Net sales	$ 401	$ 845

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