Note 15 - Subsequent Events (Details Textual) $ in Millions		12 Months Ended
Apr. 18, 2024 USD ($)	Dec. 31, 2023 USD ($)
EMI Industries [Member]
Revenues		$ 87
Subsequent Event [Member] \| EMI Industries [Member]
Business Combination, Consideration Transferred	$ 50
Number of Production Facilities	5

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details