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Prepaid Financing Cost	3 Months Ended
Prepaid Financing Cost	Apr. 30, 2012
Prepaid Financing Cost	5. Prepaid Financing Cost Prepaid financing cost represents financing cost associated with 10% Senior Subordinated Callable Convertible Notes (see Note 9) and the Senior Secured Promissory Note (see Note 8), and are amortized over the lives of the respective notes.