Common stock options granted, forfeited or expired and exercised - Stock-Based Compensation (Details Narrative) - $ / shares	21 Months Ended
Apr. 30, 2016	Jul. 31, 2015
Options
Options Outstanding	19,639,477	30,233,074
Options Granted	18,345,768
Options Expired	3,000,000
Options Exercised	25,939,365
Options Exercisable	19,639,477
Weighted Average Exercise Price per Share	$ .0287	$ 0.0468
Weighted Average Exercise Price per Share, Granted	0.0010
Weighted Average Exercise Price per Share, Exercised	0.0010
Weighted Average Exercise Price per Share, Exercisable	0.0314
Weighted Average Exercise Price per Share, Expired	$ .2820
Aggregate Intrinsic Vaalue
Options Outstanding	93,947
Options Exercisable	93,947

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.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section 50
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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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Net 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 price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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

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