v3.26.1
Note 1 - Summary of Significant Accounting Policies (Tables)
12 Months Ended
Mar. 31, 2026
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
  

March 31,

 
  

2026

  

2025

 

Flat-Roll raw material

 $120,763  $85,865 

Flat-Roll finished goods

  31,068   15,737 

Tubular raw material

  9,441   7,055 

Tubular finished goods

  10,951   5,032 
  $172,223  $113,689 
Property, Plant, and Equipment [Table Text Block]

Buildings (in years)

  15 to 40 

Machinery and equipment (in years)

  10 to 30 

Land improvements (in years)

  5 to 15 

Furniture (in years)

  5 to 10 

Equipment - Technology (in years)

  2 to 5 

Buildings - Small Remodel/Furnace/HVAC (in years)

  10 to 15