6. SHAREHOLDERS EQUITY (Details - Options outstanding and exercisable)	9 Months Ended
May 31, 2018 $ / shares shares
Awards outstanding \| shares	1,161,976
Awards outstanding weighted average remaining contractual life	7 years 3 months 22 days
Awards outstanding weighted average exercise price	$ 8.79
Awards exercisable \| shares	472,755
Awards exercisable weighted average remaining contractual life	6 years 5 months 12 days
Awards exercisable weighted average exercise price	$ 7.66
$1.00 to $4.00 [Member]
Exercise price low	1.00
Exercise price high	$ 4.00
Awards outstanding \| shares	42,000
Awards outstanding weighted average remaining contractual life	10 months 6 days
Awards outstanding weighted average exercise price	$ 1.00
Awards exercisable \| shares	42,000
Awards exercisable weighted average remaining contractual life	10 months 6 days
Awards exercisable weighted average exercise price	$ 1.00
$4.01 to $8.00 [Member]
Exercise price low	4.01
Exercise price high	$ 8.00
Awards outstanding \| shares	332,000
Awards outstanding weighted average remaining contractual life	5 years 11 months 15 days
Awards outstanding weighted average exercise price	$ 6.76
Awards exercisable \| shares	207,795
Awards exercisable weighted average remaining contractual life	5 years 9 months 11 days
Awards exercisable weighted average exercise price	$ 6.70
$8.01 to $12.00 [Member]
Exercise price low	8.01
Exercise price high	$ 12.00
Awards outstanding \| shares	763,060
Awards outstanding weighted average remaining contractual life	8 years 3 months 4 days
Awards outstanding weighted average exercise price	$ 9.87
Awards exercisable \| shares	222,960
Awards exercisable weighted average remaining contractual life	8 years 1 month 13 days
Awards exercisable weighted average exercise price	$ 9.81
$12.01 to $16.00 [Member]
Exercise price low	12.01
Exercise price high	$ 16.00
Awards outstanding \| shares	12,916
Awards outstanding weighted average remaining contractual life	9 years 2 months 19 days
Awards outstanding weighted average exercise price	$ 14.44
Awards exercisable \| shares	0
Awards exercisable weighted average exercise price	$ 0.00
$16.01 to $17.71 [Member]
Exercise price low	16.01
Exercise price high	$ 17.71
Awards outstanding \| shares	12,000
Awards outstanding weighted average remaining contractual life	4 years 7 months 28 days
Awards outstanding weighted average exercise price	$ 17.71
Awards exercisable \| shares	0
Awards exercisable weighted average exercise price	$ 0.00

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=96867065&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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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=96867065&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=96867065&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.

+ 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)
-URI http://asc.fasb.org/extlink&oid=96867065&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
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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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-Section 50
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-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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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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.

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