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CONSOLIDATED CONDENSED BALANCE SHEETS PARENTHETICALS (USD $)
Feb. 29, 2012
May 31, 2011
Allowance for uncollectible accounts $ 29 $ 29
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 20,000,000 20,000,000
Common Stock, shares issued 995,135 995,135
Common Stock, shares outstanding 995,135 995,135