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6. SHAREHOLDERS EQUITY (Details - Options outstanding and exercisable)
9 Months Ended
May 31, 2016
$ / shares
shares
Awards outstanding | shares 965,600
Awards outstanding weighted average remaining contractual life 7 years 9 months
Awards outstanding weighted average exercise price $ 7.29
Awards exercisable | shares 240,790
Awards exercisable weighted average remaining contractual life 4 years 5 months 27 days
Awards exercisable weighted average exercise price $ 3.99
$1.00 to $1.50 [Member]  
Exercise price low 1.00
Exercise price high $ 1.50
Awards outstanding | shares 88,000
Awards outstanding weighted average remaining contractual life 2 years 3 months 18 days
Awards outstanding weighted average exercise price $ 1.03
Awards exercisable | shares 88,000
Awards exercisable weighted average remaining contractual life 2 years 3 months 18 days
Awards exercisable weighted average exercise price $ 1.03
$1.51 to $3.00 [Member]  
Exercise price low 1.51
Exercise price high $ 3.00
Awards outstanding | shares 3,600
Awards outstanding weighted average remaining contractual life 3 years 11 months 9 days
Awards outstanding weighted average exercise price $ 2.20
Awards exercisable | shares 3,600
Awards exercisable weighted average remaining contractual life 3 years 11 months 9 days
Awards exercisable weighted average exercise price $ 2.20
$3.01 to $4.50 [Member]  
Exercise price low 3.01
Exercise price high $ 4.50
Awards outstanding | shares 28,500
Awards outstanding weighted average remaining contractual life 3 years 1 month 13 days
Awards outstanding weighted average exercise price $ 3.35
Awards exercisable | shares 28,500
Awards exercisable weighted average remaining contractual life 3 years 1 month 13 days
Awards exercisable weighted average exercise price $ 3.35
$4.51 to $6.00 [Member]  
Exercise price low 4.51
Exercise price high $ 6.00
Awards outstanding | shares 74,000
Awards outstanding weighted average remaining contractual life 2 years 10 months 28 days
Awards outstanding weighted average exercise price $ 5.48
Awards exercisable | shares 41,600
Awards exercisable weighted average remaining contractual life 2 years 11 months 16 days
Awards exercisable weighted average exercise price $ 5.42
$6.01 to $7.50 [Member]  
Exercise price low 6.01
Exercise price high $ 7.50
Awards outstanding | shares 367,200
Awards outstanding weighted average remaining contractual life 8 years 2 months 19 days
Awards outstanding weighted average exercise price $ 6.85
Awards exercisable | shares 79,090
Awards exercisable weighted average remaining contractual life 7 years 10 months 28 days
Awards exercisable weighted average exercise price $ 6.86
$7.50 to $9.82 [Member]  
Exercise price low 7.50
Exercise price high $ 9.82
Awards outstanding | shares 404,300
Awards outstanding weighted average remaining contractual life 9 years 9 months 4 days
Awards outstanding weighted average exercise price $ 9.71
Awards exercisable | shares 0
Awards exercisable weighted average exercise price $ 0