XML 45 R27.htm IDEA: XBRL DOCUMENT v2.4.0.6

Note 6 (Detail) (USD $)	3 Months Ended		6 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2012	Aug. 31, 2011
Freight Costs	$ 368,400	$ 500,100	$ 1,069,600	$ 1,000,200

X

- Definition

Cost of freight-in, whether based on weight, negotiated freight rates and method of transportation (that is, rail, barge, truck, and so forth).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

+ Details

Name:	us-gaap_FreightCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration