v2.4.0.8
Note 3 - Accounts Receivable (Tables)
9 Months Ended
Feb. 28, 2013
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
   

February 28,

2013

   

May 31,

2012

 

Trade accounts receivable

  $ 261,057     $ 188,669  

Employees

    2,901       4,827  
      263,958       193,496  

Less allowance for doubtful accounts

    (20,000

)

    (20,000

)

    $ 243,958     $ 173,496