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Discontinued Operations - Narrative (Details) - Discontinued Operations - USD ($)
12 Months Ended
May 26, 2019
May 27, 2018
May 28, 2017
Now Planting      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Cash provided by (used in) operating activities $ (1,258,855.91) $ 0 $ 0
Food Export      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Cash provided by (used in) operating activities $ 0 $ 580,000 $ (515,000)