Inventories (Details) (USD $)	Jun. 30, 2012	Mar. 31, 2012
Summary of inventory values by product group
Inventory, Net	$ 34,840,175	$ 36,753,680
Prime Coil Inventory [Member]
Summary of inventory values by product group
Raw Materials	6,839,110	8,562,607
Non-Standard Coil Inventory [Member]
Summary of inventory values by product group
Finished Goods	2,641,671	1,853,445
Tubular [Member]
Summary of inventory values by product group
Raw Materials	3,363,025	6,859,871
Finished Goods	$ 21,996,369	$ 19,477,757