Stock-Based Compensation (Tables)

9 Months Ended

Apr. 30, 2013

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Schedule of Stock Options Roll Forward [Table Text Block]

The following is a summary of the common stock options granted, forfeited or expired and exercised under the Plans for the nine months ended April 30, 2013:

			Weighted
			Average
			Exercise		Aggregate
			Price		Intrinsic
	Options		Share		Value
Outstanding, August 1, 2012		10,979,634	$	0.257
Add: Granted		17,630,299		0.001
Less: Forfeited or expired		485,778		0.727
Less: Exercised		1,056,488		0.001	$	37,320
Outstanding, April 30, 2013		27,067,667		$  0.092.	$	546,025
Exercisable, April 30, 2013		26,995,167		$ 0.090.	$	546,025

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

The following is a summary of the non-vested common stock options granted, vested and forfeited under the Plan for the nine months ended April 30, 2013:

				Weighted Average
				Grant Date
	Options			Fair Value
Outstanding, August 1, 2012		172,500		$	0.46
Granted		17,630,299			0.001
Vested		(17,716,549	)		0.022
Forfeited		(13,750	)		0.46
Outstanding, April 30, 2013		72,500		$	0.46