Note 7 - Inventories - Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Raw materials	$ 25,412	$ 22,128
Work in process and sub-assemblies	27,473	33,792
Finished goods	18,340	22,452
Allowance for inventory	(16,903)	(14,506)
Total inventories	$ 54,322	$ 63,866

Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of merchandise or goods held by the company that are readily available for sale.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Carrying amount, net of valuation reserves and adjustments, as of the balance sheet date of unprocessed items to be consumed in the manufacturing or production process.

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Amount of valuation reserve for inventory.

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