Note 7 - Segment and Enterprise-wide Disclosures - Net Sales to Unaffiliated Customers by Geography (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Net Sales	$ 54,819	$ 47,411	$ 164,146	$ 144,601
UNITED STATES
Net Sales	31,894	28,799	95,817	88,136
GERMANY
Net Sales	3,889	3,317	10,916	10,246
CANADA
Net Sales	3,337	2,615	10,567	8,093
UNITED KINGDOM
Net Sales	2,834	2,004	8,080	5,952
Other Countries [Member]
Net Sales	$ 12,865	$ 10,676	$ 38,766	$ 32,174

Amount, including 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