XML 17 R33.htm IDEA: XBRL DOCUMENT v3.2.0.727
Discontinued Operations - Summary of Assets and Liabilities of Discontinued Operations (Detail) - USD ($)
$ in Thousands
May. 31, 2015
May. 31, 2014
Current Assets:    
Accounts receivable $ 30 $ 4,770
Inventories 110 2,703
Current Assets, Total 140 7,473
Property, Plant and Equipment:    
Property, plant and equipment, at cost   9,812
Less accumulated depreciation   7,901
Property, Plant and Equipment, Total   1,911
Current Liabilities:    
Accounts payable, trade 8 2,089
Accrued salaries and wages   419
Accrued marketing programs 37 330
Other accrued liabilities 59 186
Current Liabilities, Total $ 104 $ 3,024