Statements of Stockholders' Equity (USD $)	Common Stock	Additional Paid In Capital	Treasury Stock	Accumulated Deficit	Total
Balance at Aug. 31, 2009	$ 22,040	$ 28,593,305	$ (234)	$ (16,674,122)	$ 11,940,989
Balance - Shares at Aug. 31, 2009	22,039,301		24,331
Common Stock Issued For Services	93	149,907			150,000
Common Stock Issued For Services - Shares	93,170
Common Stock Issued For Cash, net of offering costs of $762,528	4,046	6,489,677			6,493,723
Common Stock Issued For Cash, net of offering costs of $762,528 - Shares	4,046,208
Stock-based compensation		990,461			990,461
Net loss and comprehensive loss				(7,456,948)	(7,456,948)
Balance at Aug. 31, 2010	26,179	36,223,350	(234)	(24,131,070)	12,118,225
Balance - Shares at Aug. 31, 2010	26,178,679		24,331
Common Stock Issued For Services	36	150,129			150,165
Common Stock Issued For Services - Shares	36,538
Stock-based compensation		1,064,539			1,064,539
Net loss and comprehensive loss				(5,285,517)	(5,285,517)
Common Stock Issued For Cash, net of offering costs of $744,844	1,750	9,700,906			9,702,656
Common Stock Issued For Cash, net of offering costs of $744,844 - Shares	1,750,000
Exercise of warrants for cash	1,501	2,987,905			2,989,406
Exercise of warrants for cash - shares	1,501,134
Exercise of options for cash	213	331,907			332,120
Exercise of options for cash - shares	213,000
Cashless option exercises	7	(7)
Cashless option exercises - shares	6,803
Balance at Aug. 31, 2011	29,686	50,458,729	(234)	(29,416,587)	21,071,594
Balance - Shares at Aug. 31, 2011	29,686,154		24,331
Common Stock Issued For Services	92	179,908			180,000
Common Stock Issued For Services - Shares	91,368
Stock-based compensation		1,206,398			1,206,398
Net loss and comprehensive loss				(7,960,660)	(7,960,660)
Balance at Aug. 31, 2012	$ 29,778	$ 51,845,035	$ (234)	$ (37,377,247)	$ 14,497,332
Balance - Shares at Aug. 31, 2012	29,777,522		24,331