CONDENSED CONSOLIDATED COMPREHENSIVE STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Apr. 30, 2015	Apr. 30, 2014	Apr. 30, 2015	Apr. 30, 2014
Revenues
Product sales, net	$ 0us-gaap_SalesRevenueGoodsNet	$ 0us-gaap_SalesRevenueGoodsNet	$ 0us-gaap_SalesRevenueGoodsNet	$ 0us-gaap_SalesRevenueGoodsNet
Royalties	0us-gaap_RoyaltyRevenue	0us-gaap_RoyaltyRevenue	0us-gaap_RoyaltyRevenue	1us-gaap_RoyaltyRevenue
Total revenues	0us-gaap_Revenues	0us-gaap_Revenues	0us-gaap_Revenues	1us-gaap_Revenues
Operating costs and expenses
Cost of sales	0us-gaap_CostOfGoodsSold	0us-gaap_CostOfGoodsSold	0us-gaap_CostOfGoodsSold	0us-gaap_CostOfGoodsSold
Selling, general and administrative	50	73	203	231
Research and development	0us-gaap_ResearchAndDevelopmentExpense	0us-gaap_ResearchAndDevelopmentExpense	0us-gaap_ResearchAndDevelopmentExpense	1us-gaap_ResearchAndDevelopmentExpense
Total operating costs and expenses	50us-gaap_CostsAndExpenses	73us-gaap_CostsAndExpenses	203us-gaap_CostsAndExpenses	232us-gaap_CostsAndExpenses
Operating loss	(50)us-gaap_OperatingIncomeLoss	(73)us-gaap_OperatingIncomeLoss	(203)us-gaap_OperatingIncomeLoss	(231)us-gaap_OperatingIncomeLoss
Interest expense, net	(35)us-gaap_InterestIncomeExpenseNet	(32)us-gaap_InterestIncomeExpenseNet	(104)us-gaap_InterestIncomeExpenseNet	(99)us-gaap_InterestIncomeExpenseNet
Net loss	(85)us-gaap_NetIncomeLoss	(105)us-gaap_NetIncomeLoss	(307)us-gaap_NetIncomeLoss	(330)us-gaap_NetIncomeLoss
Other Comprehensive income currency translation adjustment	0	0	1	0
Comprehensive net loss	$ (85)us-gaap_ComprehensiveIncomeNetOfTax	$ (105)us-gaap_ComprehensiveIncomeNetOfTax	$ (306)us-gaap_ComprehensiveIncomeNetOfTax	$ (330)us-gaap_ComprehensiveIncomeNetOfTax
Weighted average number of common shares outstanding - Basic and diluted	79,007	78,942	78,986	78,942
Basic and diluted loss per common share	$ 0.00us-gaap_EarningsPerShareBasicAndDiluted	$ 0.00us-gaap_EarningsPerShareBasicAndDiluted	$ 0.00us-gaap_EarningsPerShareBasicAndDiluted	$ 0.00us-gaap_EarningsPerShareBasicAndDiluted

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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