Note 4: Patents (Details) (USD $)	12 Months Ended
Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010
Amortization expense	$ 21,060	$ 26,113	$ 26,428

Aggregate amount of intangible asset amortization recognized as expense during the period.

No definition available.

Name:	us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration