3. SHARE-BASED COMPENSATION (Details - Options by exercise price) - $ / shares	3 Months Ended
	Dec. 31, 2017	Sep. 30, 2017
$0.64 to $1.80 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price lower limit	$ 0.64
Exercise price upper limit	1.80
Options Outstanding, Weighted average exercise price	$ 1.00
Options Outstanding, Outstanding Number of Options	97,500
Options Exercisable, Weighted average exercise price	$ 1.25
Options Exercisable, Weighted Average Remaining Life In Years	5 years 3 months 18 days
Options Exercisable, Exercisable Number of Options	57,499
$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	$ 2.46
Options Outstanding, Outstanding Number of Options	96,000
Options Exercisable, Weighted average exercise price	$ 2.46
Options Exercisable, Weighted Average Remaining Life In Years	2 years 7 months 6 days
Options Exercisable, Exercisable Number of Options	96,000
$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	4 years 1 month 6 days
Options Exercisable, Exercisable Number of Options	62,500
Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding, Weighted average exercise price	$ 2.19	$ 2.19
Options Outstanding, Outstanding Number of Options	256,000
Options Exercisable, Exercisable Number of Options	215,999