Note 3 - Fair Values of Assets and Liabilities (Details) (Equity Investments and Promissory Notes Receivable [Member], USD $) In Millions, unless otherwise specified	May 03, 2014
Equity Investments and Promissory Notes Receivable [Member]
Note 3 - Fair Values of Assets and Liabilities (Details) [Line Items]
Investment Owned, at Cost	$ 4.0