Note C - Inventories - Schedule of Inventory (Details) - USD ($)	Dec. 31, 2022	Mar. 31, 2022
Inventory, Net, Total	$ 97,834,103	$ 67,946,122
Prime Coil Inventory [Member]
Prime Coil Inventory	89,007,944	50,482,022
Non-standard Coil Inventory [Member]
Prime Coil Inventory	295,925	1,063,374
Tubular Inventory [Member]
Prime Coil Inventory	4,542,470	9,049,598
Tubular Finished Goods	$ 3,987,764	$ 7,351,128