Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	May 31, 2014	May 31, 2013
Allowance for doubtful accounts receivable (in Dollars)	$ 898	$ 815
Common Stock, par value (in Dollars per share)	$ 0.00	$ 0.00
Common stock, shares authorized	100	100
Common stock, shares issued	100	100
Common stock, shares outstanding	100	100