Schedule of Valuation Assumptions, for Incremental Value of the Two-Year Extension of Bonus Warrants (Details)	12 Months Ended
Jul. 31, 2014
Long-term Debt Valuation Assumptions Used On Incremental Value Of The Two-year Extension Of Bonus Warrants 1	4.38
Long-term Debt Valuation Assumptions Used On Incremental Value Of The Two-year Extension Of Bonus Warrants 2	63.98%
Long-term Debt Valuation Assumptions Used On Incremental Value Of The Two-year Extension Of Bonus Warrants 3	1.285%
Long-term Debt Valuation Assumptions Used On Incremental Value Of The Two-year Extension Of Bonus Warrants 4	0.00%

Long-term Debt Valuation Assumptions Used On Incremental Value Of The Two-year Extension Of Bonus Warrants 4

No definition available.

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