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Note 7 - Deferred Financing Costs (Tables)
3 Months Ended
Aug. 31, 2012
Schedule of Condensed Cash Flow Statement [Table Text Block]
   
August 31, 2012
 
       
Balance at beginning of period
  $ 38,769  
Debt issuance costs (See Note 8)
    2,528  
Loss on extinguishment of debt
    (3,953 )
Amortization
    (1,223 )
Balance at end of period
  $ 36,121