CONSOLIDATED CONDENSED BALANCE SHEETS PARENTHETICALS (USD $) In Thousands, except Per Share data, unless otherwise specified	Aug. 31, 2014	May 31, 2014
Parentheticals
Allowance for uncollectible accounts	$ 18	$ 18
Redeemable Common Stock, par value	$ 0.10	$ 0.10
Redeemable Common Stock, shares issued	110,000	50,000
Redeemable Common Stock, shares outstanding	110,000	50,000
Common Stock, par value	$ 0.10	$ 0.10
Common Stock, shares authorized	20,000,000	20,000,000
Common Stock, shares issued	723,724	825,135
Common Stock, shares outstanding	723,724	825,135