Common stock options granted, forfeited or expired and exercised - Stock-Based Compensation (Details 1) - $ / shares	12 Months Ended
Jul. 31, 2015	Jul. 31, 2014	Jul. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Options Outstanding	19,639,477	37,964,390	19,639,477
Options Granted	18,345,768
Options Forfeited or expired	(3,000,000)	(1,315,000)
Options Exercised	(25,939,365)	(6,416,316)
Options Exercisable			19,639,477
Weighted Average Exercise Price per Share	$ .029	$ .06	$ 0.029
Weighted Average Exercise Price per Share, Granted	.001
Weighted Average Exercise Price per Share, Forfeited or expired	.28	.69
Weighted Average Exercise Price per Share, Exercised	$ .001	$ .001
Weighted Average Exercise Price per Share, Exercisable			$ 0.03

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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-Publisher FASB
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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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- Definition

Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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No definition available.

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Number of share options (or share units) exercised during the current period.

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