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Investment in Non-public Company (Details) - USD ($)
3 Months Ended
Jul. 15, 2014
Feb. 15, 2011
Aug. 30, 2020
Aug. 25, 2019
Dividend income     $ 281,000 $ 281,000
Senior A Preferred Stock        
Dividend percentage rate 7.50%      
Windset        
Investment ownership percentage 26.90%   26.90%  
Dividend income     $ 300,000 300,000
Windset | Other Income        
Change in market value of company's investment     0.0 $ 0.0
Curation Foods | Windset        
Payments to acquire investments $ 11,000,000.0      
Time frame to be paid after anniversary 90 days      
Liquidation value of preferred shares     20,100,000  
Curation Foods | Windset | Junior Preferred Shares        
Preferred stock investment, dividends declared     0  
Liquidation value of preferred shares     5,100,000  
Curation Foods | Windset | Senior A Preferred Stock        
Liquidation value of preferred shares     $ 15,000,000.0  
Curation Foods | Windset | Senior A Preferred Stock        
Investment In non-public company shares (in shares)   150,000    
Payments to acquire investments   $ 15,000,000.0    
Curation Foods | Windset | Common Stock        
Investment In non-public company shares (in shares) 68 201    
Payments to acquire investments   $ 201,000    
Curation Foods | Windset | Junior Preferred Shares        
Investment In non-public company shares (in shares) 51,211