Inventories (Details) (USD $)	Sep. 30, 2012	Mar. 31, 2012
Summary of inventory values by product group
Inventory, Net	$ 34,212,932	$ 36,753,680
Prime Coil Inventory [Member]
Summary of inventory values by product group
Raw Materials	7,845,194	8,562,607
Non-Standard Coil Inventory [Member]
Summary of inventory values by product group
Finished Goods	1,386,865	1,853,445
Tubular [Member]
Summary of inventory values by product group
Raw Materials	4,386,163	6,859,871
Finished Goods	$ 20,594,710	$ 19,477,757