Note 4 - Inventory - Summary of Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Raw materials	$ 18,457	$ 17,252
Work in progress	4,791	5,015
Finished goods	10,087	6,078
Total	$ 33,335	$ 28,345

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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