Note C - Inventories - Schedule of Inventory (Details) - USD ($)	Jun. 30, 2022	Mar. 31, 2022
Inventory, Net, Total	$ 123,879,630	$ 67,946,122
Prime Coil Inventory [Member]
Prime Coil Inventory	106,359,822	50,482,022
Non-standard Coil Inventory [Member]
Prime Coil Inventory	325,424	1,063,374
Tubular Inventory [Member]
Prime Coil Inventory	13,354,943	9,049,598
Tubular Finished Goods	$ 3,839,441	$ 7,351,128