Note 16 - Segment Reporting (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Revenue from Contract with Customer, Including Assessed Tax	$ 143,136	$ 203,477
Customer Concentration Risk [Member]
Number of Major Customers	5	5
Revenue Benchmark [Member] | Customer Concentration Risk [Member]
Number of Major Customers	1	1
Heavy Fabrications [Member]
Number of Facilities	2
Number of Tower Sections in Production Capacity of Turbines Total	1,650
Heavy Fabrications [Member] | Customer Concentration Risk [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 71,607	$ 107,555
Heavy Fabrications [Member] | Maximum [Member]
Annual Tower Production Capacity	550