Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2023

Notes Tables

Schedule of Inventory, Current [Table Text Block]

	March 31,
	2023		2022
Prime coil inventory	$	75,917	$	50,482
Non-standard coil inventory		278		1,063
Tubular raw material		5,193		9,050
Tubular finished goods		4,858		7,351
	$	86,246	$	67,946

Property, Plant and Equipment [Table Text Block]

Buildings (in years)	20 to 40
Machinery and equipment (in years)	10 to 35
Yard improvements (in years)	5 to 15
Loaders and other rolling stock (in years)	5 to 15