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6. SHARE-BASED COMPENSATION (Details - Options by exercise price) - $ / shares
9 Months Ended
Jun. 30, 2020
Sep. 30, 2019
Options [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options Outstanding, Weighted average exercise price $ 1.56 $ 1.69
Options Outstanding, Outstanding Number of Options 954,147 812,879
Options Exercisable, Weighted average exercise price $ 1.76  
Options Exercisable, Weighted Average Remaining Life In Years 3 years 2 months 12 days  
Options Exercisable, Exercisable Number of Options 686,522  
$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 $ 1.12  
Options Outstanding, Outstanding Number of Options 275,519  
Options Exercisable, Weighted average exercise price $ 1.08  
Options Exercisable, Weighted Average Remaining Life In Years 3 years 1 month 6 days  
Options Exercisable, Exercisable Number of Options 27,500  
$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 605,128  
Options Exercisable, Weighted average exercise price $ 1.51  
Options Exercisable, Weighted Average Remaining Life In Years 3 years 6 months  
Options Exercisable, Exercisable Number of Options 585,522  
$2.73 to $2.73 [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercise price lower limit $ 2.73  
Exercise price upper limit 2.73  
Options Outstanding, Weighted average exercise price $ 2.73  
Options Outstanding, Outstanding Number of Options 11,000  
Options Exercisable, Weighted average exercise price $ 2.73  
Options Exercisable, Weighted Average Remaining Life In Years 1 year 1 month 6 days  
Options Exercisable, Exercisable Number of Options 11,000  
$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 7 months 6 days  
Options Exercisable, Exercisable Number of Options 62,500