Quarterly report pursuant to sections 13 or 15(d)

Rescission Liabilities and Accrued Stock Incentive Compensation (Details)

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Rescission Liabilities and Accrued Stock Incentive Compensation (Details) (USD $)
3 Months Ended
Aug. 31, 2012
Number
May 31, 2012
Rescission Liabilities And Accrued Stock Incentive Compensation (Textual) [Abstract]    
Affirmative defenses 0  
Possible claims by investors $ 6,400,000  
Possible claims by potential state or foreign jurisdiction 3,750,000  
Number of unbarred claims in state 17  
Number of unbarred claims in foreign 5  
Rescission liability 3,749,000 3,749,000
Director [Member]
   
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]    
Personal Services Agreement 7  
Compensation 200,000  
Incentive compensation 50,000  
Capital received $ 500,000