Note 8 - Segment and Enterprise-wide Disclosures - Net Sales to Unaffiliated Customers by Geography (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Net Sales	$ 55,849	$ 50,115	$ 109,327	$ 97,190
UNITED STATES
Net Sales	32,798	30,322	63,923	59,337
CANADA
Net Sales	3,618	2,716	7,230	5,478
GERMANY
Net Sales	3,509	3,583	7,027	6,929
UNITED KINGDOM
Net Sales	2,718	2,149	5,246	4,112
Other Countries [Member]
Net Sales	$ 13,206	$ 11,345	$ 25,901	$ 21,334

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