Note 19 - Subsequent Events (Details Textual) - Heavy Fabrications [Member] $ in Thousands	Dec. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)	Jan. 28, 2025	Dec. 21, 2023 USD ($)
AMP Credit, Credits Sold				$ 6,952
Subsequent Event [Member]
AMP Credit, Price Per AMP Credit Sold			0.935
Forecast [Member]
AMP Credit, Credits Sold	$ 20,000	$ 15,000