Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Aug. 31, 2013	May 31, 2013
Allowance for doubtful accounts receivable (in Dollars)	$ 900	$ 815
Predecessor [Member]
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