5. SHAREHOLDERS' EQUITY (Details 2) (USD $)	9 Months Ended
May 31, 2013
Awards Outstanding	570,600
Awards outstanding weighted average remaining contractual life	4 years 4 months 24 days
Weighted-Average Exercise Price Per Share
Outstanding	$ 1.92
Awards exercisable	412,000
Awards exercisable weighted average remaining contractual life	4 years 2 months 12 days
Awards exercisable weighted average exercise price	$ 1.53
Stock Options One
Exercise price low	$ 1
Exercise price high	$ 1.5
Awards Outstanding	355,100
Awards outstanding weighted average remaining contractual life	4 years 2 months 12 days
Weighted-Average Exercise Price Per Share
Outstanding	$ 1.06
Awards exercisable	319,700
Awards exercisable weighted average remaining contractual life	4 years
Awards exercisable weighted average exercise price	$ 1.07
Stock Options Two
Exercise price low	$ 1.51
Exercise price high	$ 3
Awards Outstanding	34,600
Awards outstanding weighted average remaining contractual life	6 years 8 months 12 days
Weighted-Average Exercise Price Per Share
Outstanding	$ 2.3
Awards exercisable	12,200
Awards exercisable weighted average remaining contractual life	6 years 4 months 24 days
Awards exercisable weighted average exercise price	$ 1.96
Stock Options Three
Exercise price low	$ 3.01
Exercise price high	$ 4.5
Awards Outstanding	156,900
Awards outstanding weighted average remaining contractual life	4 years 4 months 24 days
Weighted-Average Exercise Price Per Share
Outstanding	$ 3.26
Awards exercisable	76,100
Awards exercisable weighted average remaining contractual life	4 years 4 months 24 days
Awards exercisable weighted average exercise price	$ 3.11
Stock Options Four
Exercise price low	$ 4.51
Exercise price high	$ 6.68
Awards Outstanding	24,000
Awards outstanding weighted average remaining contractual life	4 years 4 months 24 days
Weighted-Average Exercise Price Per Share
Outstanding	$ 5.33
Awards exercisable	4,000
Awards exercisable weighted average remaining contractual life	4 years 4 months 24 days
Awards exercisable weighted average exercise price	$ 6.68

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

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

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: 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)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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