v3.25.1
Note 12 - Industry Segment Data - Segment Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Net Sales $ 444,600 $ 516,251
Cost of Goods and Services Sold 9,115 11,538
Depreciation and amortization 3,291 3,070
Cost of Product and Service Sold 441,815 491,733
Gain (Loss) on Disposition of Property Plant Equipment 258 0
EARNINGS (LOSS) FROM OPERATIONS: 3,043 24,518
Gain on economic hedges of risk 7,598 1,848
Interest expense (2,953) (3,072)
Other income 5 20
EARNINGS BEFORE INCOME TAXES 7,693 23,314
Identifiable assets 226,822 230,019
Capital Expenditures 4,002 5,792
Material Sold Expense [Member]    
Cost of Goods and Services Sold 365,648 412,395
Cost of Product and Service Sold 365,648 412,395
Processing and Warehouse Expense [Member]    
Cost of Goods and Services Sold 33,477 31,438
Cost of Product and Service Sold 33,477 31,438
Delivery Expense [Member]    
Cost of Goods and Services Sold 23,228 23,791
Cost of Product and Service Sold 23,228 23,791
Commercial Expense [Member]    
Cost of Goods and Services Sold 7,056 9,501
Tubular [Member]    
Gain (Loss) on Disposition of Property Plant Equipment 500  
Operating Segments [Member]    
Identifiable assets 221,682 225,386
Operating Segments [Member] | Flat-roll [Member]    
Net Sales 404,644 472,774
Depreciation and amortization 2,869 2,637
Cost of Product and Service Sold 390,703 439,548
Gain (Loss) on Disposition of Property Plant Equipment (222)  
EARNINGS (LOSS) FROM OPERATIONS: 13,719 33,226
Identifiable assets 204,890 205,797
Capital Expenditures 3,823 5,176
Operating Segments [Member] | Flat-roll [Member] | Material Sold Expense [Member]    
Cost of Goods and Services Sold 334,426 381,591
Operating Segments [Member] | Flat-roll [Member] | Processing and Warehouse Expense [Member]    
Cost of Goods and Services Sold 24,544 23,300
Operating Segments [Member] | Flat-roll [Member] | Delivery Expense [Member]    
Cost of Goods and Services Sold 22,563 23,194
Operating Segments [Member] | Flat-roll [Member] | Commercial Expense [Member]    
Cost of Goods and Services Sold 6,301 8,857
Operating Segments [Member] | Tubular [Member]    
Net Sales 39,956 43,477
Depreciation and amortization 304 317
Cost of Product and Service Sold 41,879 40,497
Gain (Loss) on Disposition of Property Plant Equipment 480  
EARNINGS (LOSS) FROM OPERATIONS: (1,443) 2,980
Identifiable assets 16,792 19,589
Capital Expenditures 179 510
Operating Segments [Member] | Tubular [Member] | Material Sold Expense [Member]    
Cost of Goods and Services Sold 31,222 30,804
Operating Segments [Member] | Tubular [Member] | Processing and Warehouse Expense [Member]    
Cost of Goods and Services Sold 8,933 8,138
Operating Segments [Member] | Tubular [Member] | Delivery Expense [Member]    
Cost of Goods and Services Sold 665 597
Operating Segments [Member] | Tubular [Member] | Commercial Expense [Member]    
Cost of Goods and Services Sold 755 644
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]    
Net Sales 0 0
Cost of Goods and Services Sold 9,115 11,538
Depreciation and amortization 118 116
Cost of Product and Service Sold 9,233 11,688
Gain (Loss) on Disposition of Property Plant Equipment 0  
EARNINGS (LOSS) FROM OPERATIONS: (9,233) (11,688)
Identifiable assets 5,140 4,633
Capital Expenditures $ 0 $ 106