v3.25.1
Note 1 - Summary of Significant Accounting Policies - Summary of Inventory by Product Group (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Mar. 31, 2024
Inventory, Net $ 113,689 $ 115,804
Prime Coil Inventory [Member]    
Raw materials 85,865 85,483
Non-standard Coil Inventory [Member]    
Raw materials 15,737 17,030
Tubular Inventory [Member]    
Raw materials 7,055 4,185
Finished goods $ 5,032 $ 9,106