Quarterly report pursuant to Section 13 or 15(d)

12. Stock-based Compensation (Details - Option price)

v3.19.2
12. Stock-based Compensation (Details - Option price) - Stock Options [Member] - $ / shares
Jun. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Number of options outstanding 200,418 231,668 211,668
Option exercise price outstanding $ 15.88 $ 14.84 $ 13.19
Number of options exercisable 169,820 190,639  
Option exercise price exercisable $ 13.65 $ 11.89  
$7.50 [Member]      
Number of options outstanding 25,000    
Option exercise price outstanding $ 7.50    
Number of options exercisable 25,000    
Option exercise price exercisable $ 7.50    
$10.00 [Member]      
Number of options outstanding 31,250    
Option exercise price outstanding $ 10.00    
Number of options exercisable 31,250    
Option exercise price exercisable $ 10.00    
$10.86 [Member]      
Number of options outstanding 4,167    
Option exercise price outstanding $ 10.86    
Number of options exercisable 4,167    
Option exercise price exercisable $ 10.86    
$10.86 [Member]      
Number of options outstanding 4,167    
Option exercise price outstanding $ 10.86    
Number of options exercisable 4,167    
Option exercise price exercisable $ 10.86    
$10.86 [Member]      
Number of options outstanding 4,167    
Option exercise price outstanding $ 10.86    
Number of options exercisable 2,430    
Option exercise price exercisable $ 10.86    
$10.86 [Member]      
Number of options outstanding 4,167    
Option exercise price outstanding $ 10.86    
$12.50 [Member]      
Number of options outstanding 6,250    
Option exercise price outstanding $ 12.50    
Number of options exercisable 6,250    
Option exercise price exercisable $ 12.50    
$15.00 [Member]      
Number of options outstanding 6,250    
Option exercise price outstanding $ 15.00    
Number of options exercisable 6,250    
Option exercise price exercisable $ 15.00    
$15.18 [Member]      
Number of options outstanding 75,000    
Option exercise price outstanding $ 15.18    
Number of options exercisable 75,000    
Option exercise price exercisable $ 15.18    
$23.41 [Member]      
Number of options outstanding 8,000    
Option exercise price outstanding $ 23.41    
Number of options exercisable 8,000    
Option exercise price exercisable $ 23.41    
$27.60 [Member]      
Number of options outstanding 8,000    
Option exercise price outstanding $ 27.6    
Number of options exercisable 8,000    
Option exercise price exercisable $ 27.60    
$31.74 [Member]      
Number of options outstanding 8,000    
Option exercise price outstanding $ 31.74    
$36.50 [Member]      
Number of options outstanding 8,000    
Option exercise price outstanding $ 36.5    
$41.98 [Member]      
Number of options outstanding 8,000    
Option exercise price outstanding $ 41.98