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Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock - shares
May 31, 2016
May 31, 2015
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items]    
Authorized 2,000,000 2,000,000
Common Class A [Member]    
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items]    
Authorized 4,000,000 4,000,000
Reserved for Issuance 500,000  
Outstanding 1,656,200 1,656,200
Common Stock [Member]    
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items]    
Authorized 70,000,000 70,000,000
Reserved for Issuance 7,732,183  
Outstanding 32,657,977 31,477,251
Preferred Stock [Member]    
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items]    
Authorized 2,000,000  
Reserved for Issuance 0  
Outstanding 0