Schedule of Bonus Warrants Valuation Assumptions (Details)	12 Months Ended
	Jul. 31, 2014
Long-term Debt Schedule Of Bonus Warrants Valuation Assumptions 1	3.00
Long-term Debt Schedule Of Bonus Warrants Valuation Assumptions 2	67.15%
Long-term Debt Schedule Of Bonus Warrants Valuation Assumptions 3	0.62%
Long-term Debt Schedule Of Bonus Warrants Valuation Assumptions 4	0.00%