Balance Sheet Details (Schedule Of Inventory) (Details) (USD $)	Jul. 31, 2014	Jul. 31, 2013
Balance Sheet Details [Abstract]
Raw materials	$ 102,000	$ 70,000
Finished goods	147,000	295,000
Inventories, net	$ 249,000	$ 365,000

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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