Stockholders' Deficiency (Tables)

9 Months Ended

Apr. 30, 2015

Stockholders' deficiency transactions

	Common Stock
	Shares		Amount		Additional Paid-In Capital			Stockholders' Deficiency
Balance at August 1, 2014	778,512,092	$	778,512	$	362,307,678		$	(6,090,058	)
Issuance of common stock on conversion of convertible preferred stock	12,891,668		12,892		(12,892	)		—
Issuance of common stock as make-whole payments on convertible preferred stock	5,187,021		5,187		99,235			104,423
Issuance of common stock for services	3,470,513		3,471		90,841			94,311
Exercise of stock options	6,416,316		6,416		—			6,416
Balance at April 30, 2015	806,477,610	$	806,477	$	362,484,862
Other changes to Stockholders' Deficiency
Net loss for six months ended April 30, 2015								1,858,450
Currency translation adjustment								21,862
Stockholders' Deficiency at April 30, 2015							$	(7,721,676	)

Series E Convertible Preferred Stock

Allocation of initial proceeds

Accounting allocation of initial proceeds
Net proceeds	$	750,000
Derivative warrant liability fair value		(942,279	)
Other issuance costs (finders’ fee)		(64,000	)
Make whole payments liability		(216,000	)
Deemed dividend	$	(472,279	)

Series F Convertible Preferred Stock

Allocation of initial proceeds

Accounting allocation of initial proceeds
Net proceeds	$	2,020,000
Derivative warrant liability fair value		(2,016,064	)
Derivative additional investment rights fair value		(863,735	)
Other issuance costs (finders’ fee)		(166,000	)
Make whole payments liability		(560,250	)
Deemed dividend	$	(1,586,050	)