XML 60 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 4 - Investments in Non-public Companies (Details) (USD $)
 3 Months Ended 0 Months Ended 1 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended
Aug. 25, 2013
Aug. 26, 2012
Feb. 15, 2011
Preferred Stock [Member]
Windset [Member]
Feb. 15, 2011
Common Stock [Member]
Apio [Member]
Windset [Member]
Feb. 15, 2011
Common Stock [Member]
Windset [Member]
May 30, 2010
Aesthetic Sciences [Member]
Aug. 25, 2013
Aesthetic Sciences [Member]
May 26, 2013
Aesthetic Sciences [Member]
Jul. 16, 2010
Aesthetic Sciences [Member]
Feb. 15, 2011
Windset [Member]
May 31, 2013
Windset [Member]
May 31, 2012
Windset [Member]
Feb. 24, 2013
Windset [Member]
Feb. 26, 2012
Windset [Member]
Note 4 - Investments in Non-public Companies (Details) [Line Items]                            
Long-term Investments             $ 793,000 $ 793,000 $ 1,800,000          
Other than Temporary Impairment Losses, Investments           1,000,000                
Investment in Non-Public Company Shares (in Shares)     150,000 201                    
Payments to Acquire Investments       201 15,000,000                  
Investment Ownership Percentage                   20.10%        
Preferred Stock, Dividend Rate, Percentage                   7.50%        
Dividends and Interest Paid                     1,100,000 1,100,000    
Investment Income, Dividend 281,000 281,000                        
Change in Market Value Of Investment in Company                         $ 5,400,000 $ 4,300,000