XML 144 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8
TRADE ACCOUNTS AND NOTES RECEIVABLE - Schedule of Accounts Receivables (Details) (USD $)
May 31, 2013
Feb. 28, 2013
Receivables [Abstract]    
Accounts and notes receivable $ 310,952 $ 430,259
Less: Allowance for doubtful accounts 132,237 143,587
Accounts and notes receivable, net $ 178,715 $ 286,672