XML 13 R39.htm IDEA: XBRL DOCUMENT v3.3.0.814
Note 8 - Related Party (Details Textual) - Windset [Member] - USD ($)
3 Months Ended
Aug. 30, 2015
Aug. 31, 2014
May. 31, 2015
Cost of Sales [Member]      
Related Party Transaction, Purchases from Related Party $ 7,000 $ 411,000  
Revenue from Related Parties 126,000 $ 34,000  
Accounts Receivable, Related Parties, Current 137,000   $ 306,000
Accounts Payable, Related Parties $ 11,000   $ 244,000