Quarterly report pursuant to Section 13 or 15(d)

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

12. Stock-based Compensation (Details - Option price) - Stock Options [Member] - $ / shares	Mar. 31, 2019	Sep. 30, 2018	Sep. 30, 2017
Number of options outstanding	206,668	231,668	211,668
Option exercise price outstanding	$ 16.03	$ 14.84	$ 13.19
Number of options exercisable	176,070	190,639
Option exercise price exercisable	$ 13.29	$ 11.89
$5.00 [Member]
Number of options outstanding	6,250
Option exercise price outstanding	$ 5.00
Number of options exercisable	6,250
Option exercise price exercisable	$ 5.00
$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	1,736
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	$ 12.5
Number of options exercisable	6,250
Option exercise price exercisable	$ 12.5
$15.00 [Member]
Number of options outstanding	6,250
Option exercise price outstanding	$ 15
Number of options exercisable	6,250
Option exercise price exercisable	$ 15
$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	$ 27.6
$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