Stock-Based Compensation (Details) (USD $)	3 Months Ended
Oct. 31, 2012
Outstanding, August 1, 2012	10,979,634
Granted	0
Forfeited or expired	0
Exercised	0
Outstanding, October 31, 2012	10,979,634
Exercisable, October 31, 2012	10,893,384
Outstanding, August 1, 2012	$ 0.257
Outstanding, October 31, 2012	$ 0.257
Exercisable, October 31, 2012	$ 0.254
Outstanding, October 31, 2012	$ 277,615
Exercisable, October 31, 2012	$ 277,615

Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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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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.

+ References

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- Definition

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.

+ References

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

+ References

No definition available.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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

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