5. SHAREHOLDERS' EQUITY (Details 1) (USD $)	6 Months Ended
Feb. 28, 2013
Qualified ISO
Awards Outstanding, beginning balance	689,800
Granted	20,000
Exercised	(153,000)
Awards Outstanding	556,800
Exercisable	370,000
Weighted-Average Exercise Price Per Share
Outstanding	$ 1.74
Granted	$ 5.06
Exercised	$ 1.84
Outstanding	$ 1.84
Exercisable	$ 1.52
Weighted-Average Remaining Contractual Life
Outstanding	4 years 6 months 26 days
Exercisable	4 years 2 months 19 days
Non-Qualified ISO
Awards Outstanding, beginning balance	36,600
Awards Outstanding	36,600
Exercisable	19,400
Weighted-Average Exercise Price Per Share
Outstanding	$ 3.47
Outstanding	$ 3.47
Exercisable	$ 3.14
Weighted-Average Remaining Contractual Life
Outstanding	7 years 7 months 21 days
Exercisable	6 years 5 months 27 days

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Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

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- Definition

The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

No definition available.

+ Details

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

+ References

No definition available.

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- Definition

Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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