6. INCOME TAXES (Details 1)	12 Months Ended
Aug. 31, 2012	Aug. 31, 2011
Income Tax Disclosure [Abstract]
Income tax computed at federal statutory tax rate	34.00%	34.00%
State taxes, net of federal benefit	3.30%	2.60%
Meals & Entertainment	0.10%	0.10%
Other permanent differences	0.80%	(1.00%)
Research and development credit	(8.40%)	(8.20%)
Change in prior year estimated taxes	(0.90%)	0.50%
Total	28.90%	28.00%

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to nondeductible meals and entertainment expenses under enacted tax laws.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles, not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to nondeductible research and development expenses, including expenses associated with in-process research and development activities, under enacted tax laws.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to revisions in previously reported amounts of income tax provision.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period.

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