Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation (Details) (USD $)	6 Months Ended
Jul. 31, 2013
Fair Value Of Financial Instruments Fair Value, Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation 1	$ 15,112
Fair Value Of Financial Instruments Fair Value, Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation 2	19,222
Fair Value Of Financial Instruments Fair Value, Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation 3	0
Fair Value Of Financial Instruments Fair Value, Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation 4	0
Fair Value Of Financial Instruments Fair Value, Liabilities Measured On Recurring Basis, Unobservable Input Reconciliation 5	$ 34,334

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