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9. SHARE-BASED COMPENSATION (Details - Options by exercise price) - $ / shares
12 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options Outstanding, Weighted average exercise price $ 1.69 $ 1.78
Options Outstanding, Outstanding Number of Options 812,879  
Options Exercisable, Weighted Average Remaining Life In Years 3 years 8 months 12 days  
Options Exercisable, Exercisable Number of Options 622,007  
$0.64 to $1.23 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price lower limit $ 0.64  
Exercise price upper limit 1.23  
Options Outstanding, Weighted average exercise price $ 0.8  
Options Outstanding, Outstanding Number of Options 77,500  
Options Exercisable, Weighted average exercise price $ 0.8  
Options Exercisable, Weighted Average Remaining Life In Years 5 years 1 month 6 days  
Options Exercisable, Exercisable Number of Options 77,500  
$1.44 to $1.67 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price lower limit $ 1.44  
Exercise price upper limit 1.67  
Options Outstanding, Weighted average exercise price $ 1.51  
Options Outstanding, Outstanding Number of Options 606,879  
Options Exercisable, Weighted average exercise price $ 1.49  
Options Exercisable, Weighted Average Remaining Life In Years 4 years 3 months 19 days  
Options Exercisable, Exercisable Number of Options 416,007  
$2.20 to $2.85 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price lower limit $ 2.20  
Exercise price upper limit 2.85  
Options Outstanding, Weighted average exercise price $ 2.48  
Options Outstanding, Outstanding Number of Options 66,000  
Options Exercisable, Weighted average exercise price $ 2.48  
Options Exercisable, Weighted Average Remaining Life In Years 7 months 6 days  
Options Exercisable, Exercisable Number of Options 66,000  
$3.73 to $3.79 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price lower limit $ 3.73  
Exercise price upper limit 3.79  
Options Outstanding, Weighted average exercise price $ 3.74  
Options Outstanding, Outstanding Number of Options 62,500  
Options Exercisable, Weighted average exercise price $ 3.74  
Options Exercisable, Weighted Average Remaining Life In Years 1 year 4 months 24 days  
Options Exercisable, Exercisable Number of Options 62,500