Statements of Cash Flows (USD $)	12 Months Ended
	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Net loss and comprehensive loss	$ (7,960,660)	$ (5,285,517)	$ (7,456,948)
Depreciation and amortization	151,721	147,501	148,602
Stock issued for services	180,000	150,165	150,000
Stock-based compensation	1,206,398	1,064,539	990,461
Loss on disposition of property and equipment	118
Decrease (increase) in receivables	482,743	(414,223)	(60,731)
Decrease (increase) in income tax receivable		50,000	1,365,758
Decrease (increase) in inventories	2,257	(167,960)	(443,778)
Decrease (increase) in other current assets	1,079	13,902	(40,514)
Increase (decrease) in accounts payable	(106,182)	104,854	(29,823)
Increase (decrease) in accrued liabilities	92,694	108,084	(324,159)
Increase (decrease) in customer deposits	24,980
Increase (decrease) in deferred revenue	(11,087)	71,430	21,557
Net cash used in operating activities	(5,935,939)	(4,157,225)	(5,679,575)
Purchase of property and equipment	(97,521)	(214,554)	(122,521)
Net cash used in investing activities	(97,521)	(214,554)	(122,521)
Net proceeds from the sale of common stock		9,702,656	6,493,723
Proceeds from the exercise of warrants		2,989,406
Proceeds from the exercise of options		332,120
Net cash provided by financing activities		13,024,182	6,493,723
Net increase (decrease) in cash and cash equivalents	(6,033,460)	8,652,403	691,627
Cash and cash equivalents, beginning of year	17,135,968	8,483,565	7,791,938
Cash and cash equivalents, end of year	$ 11,102,508	$ 17,135,968	$ 8,483,565