Note C - Summary of Inventory Values by Product Group (Details) - USD ($)	Sep. 30, 2015	Mar. 31, 2015
Prime Coil Inventory [Member]
Raw materials	$ 11,147,315	$ 8,419,340
Non-standard Coil Inventory [Member]
Raw materials	1,322,983	1,804,635
Tubular Inventory [Member]
Raw materials	935,393	1,888,849
Finished goods	27,011,277	28,737,842
Inventory, net	$ 40,416,968	$ 40,850,666

Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.6(a))

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 330

-SubTopic 10

-Section 35

-Paragraph 2

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-Subparagraph (b)

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