Note 7 - Operating Segments (Details Textual)	3 Months Ended
May. 31, 2015 USD ($)	May. 31, 2014 USD ($)
Sales Revenue, Net [Member] \| Customer Concentration Risk [Member] \| Manufacturing [Member]
Number of Major Customers	1
Revenues	$ 2,000,000	$ 1,600,000
Manufacturing [Member]
Revenues	$ 6,324,549	5,870,072
Number of Reportable Segments	5
Revenues	$ 10,364,022	$ 10,322,206

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration