Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

Summary of Inventory by Product Group

The following is a summary of inventory by product group:

	March 31
	2015		2014
Prime coil inventory	$	8,419,340	$	7,685,177
Non-standard coil inventory		1,804,635		2,572,787
Tubular raw material		1,888,849		463,254
Tubular finished goods		28,737,842		24,567,341
	$	40,850,666	$	35,288,559

Estimated Useful Lives of Various Classes of Assets

Depreciation is calculated primarily by the straight-line method over the estimated useful lives of the various classes of assets as follows:

Buildings	20 years
Machinery and equipment	10 years
Yard improvements	5 to 10 years
Loaders and other rolling stock	5 to 10 years