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Note 1 - Basis of Presentation (Details) (MWL [Member])	Sep. 30, 2013	Mar. 28, 2013
MWL [Member]
Note 1 - Basis of Presentation (Details) [Line Items]
Equity Method Investment, Ownership Percentage	45.00%	45.00%

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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