Note 4 - Accounts and Other Receivables (Details Textual) $ in Thousands	May 31, 2016 USD ($)	Jun. 02, 2015 USD ($)
Lime Fresh [Member] | Assets [Member]
Disposal Group, Including Discontinued Operation, Consideration	$ 5,000
Lime Fresh [Member] | Finite-Lived Intangible Assets [Member]
Disposal Group, Including Discontinued Operation, Consideration	$ 300
Lime Fresh [Member]
Sale of Assets, Number of Buyers	2
Disposal Group, Including Discontinued Operation, Consideration	$ 5,300
Disposal Group, Including Discontinued Operation, Consideration	$ 5,289