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Stockholders' Deficiency (Tables)

6 Months Ended

12 Months Ended

Jan. 31, 2013

Jul. 31, 2012

Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]

	Risk-Free			Expected		Expected			Expected
	Interest Rate			Life (Years)		Volatility			Dividends

July 31, 2011		0.013	%		5.0		101	%		-0-
July 31, 2010		0.14	%		6.5		104	%		-0-

Schedule of Stockholders Equity [Table Text Block]

The stockholders’ deficiency transactions as described above are summarized below:

					Additional			Change to
	Common Stock				Paid-In			Stockholders’
	Shares		Amount		Capital			Equity

Issuance of common stock on conversion of convertible preferred stock		58,037,496	$	58,038	$	(58,038	)	$	—
Issuance of common stock as make-whole payments on convertible preferred stock		19,972,102		19,972		584,828			604,800
Issuance of common stock for services		2,457,022		2,457		182,885			185,342
Issuance of common stock for cash warrant exercises		24,155,457		24,155		700,508			724,664
Issuance of common stock for cashless warrant exercises		29,184,675		29,185		2,333,431			2,362,616
Issuance of common stock for stock option exercises		85,701		86		—			86
Amortization of stock options as employee compensation		—		—		19,697			19,697
Total		133,892,453	$	133,893	$	3,763,312		$	3,897,205

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

Warrants

The following is a summary of warrants issued, forfeited or expired and exercised for the six months ended January 31, 2013:

	Warrants
Outstanding, August 1, 2012		74,264,078
Add: Issued		270,594,093
Less: Exercised		109,428,097
Outstanding, January 31, 2013		235,430,074

As of July 31, 2012, the Company has the following warrants to purchase common stock outstanding:

Number of Shares		Warrant Exercise			Warrant
To be Purchased		Price per Share			Expiration Date

	50,000	$	0.94		March 9, 2013
	125,000	$	3.75		March 26, 2013
	8,844,926	$	0.76		December 15, 2014
	3,572,971	$	0.79		February 4, 2015
	300,000	$	0.39	(average)	February 9, 2015
	200,000	$	1.25		March 7, 2015
	6,022,651	$	1.00		March 15, 2015
	4,000,000	$	0.15		January 16, 2016*
	29,027,322	$	0.15		March 31, 2016*
	3,333,331	$	0.15		July 11, 2016*
	5,454,544	$	0.15		September 30, 2016*
	13,333,333	$	0.15		February 1, 2017*
	74,264,078

* Subject to price protection provisions as described below.

Series B Convertible Preferred Stock [Member]

Schedule of Servicing Liabilities at Fair Value [Table Text Block]

Accounting allocation of initial proceeds
Net proceeds	$	1,975,000
Derivative warrant liability fair value		(1,811,746	)
Make-whole payments liability		(540,000	)
Deemed dividend	$	(376, 746)

Series C Convertible Preferred Stock [Member]

Schedule of Servicing Liabilities at Fair Value [Table Text Block]

Accounting allocation of initial proceeds
Net proceeds	$	725,000
Derivative warrant liability fair value		(624,797	)
Make-whole payments liability		(202,500	)
Deemed dividend	$	(102,297	)

- Definition

Tabular disclosure of the activity in the balance of servicing liabilities subsequently measured at fair value (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (through assumptions of servicing obligations, and servicing obligations that result from transfers of financial assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value and a description of those changes, and other changes that affect the balance and a description of those changes.

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- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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