7. STOCK OPTIONS: Schedule of Stock Option Activity (Details) - USD ($)				12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2019	Sep. 30, 2018
Details
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Beginning Balance				1,314,000	1,021,500
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance				$ 2.34	$ 1.74
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	8 years 4 months 24 days	8 years 10 months 24 days	9 years 7 months 6 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value				$ 4,407,160	$ 17,425
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross				486,667	383,334
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price				$ 19.36	$ 3.81
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period					0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price					$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period					0
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price					$ 0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period				(5,000)	(90,834)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price				$ 19.50	$ 1.41
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance	1,795,667	1,314,000	1,021,500	1,795,667	1,314,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance	$ 6.91	$ 2.34	$ 1.74	$ 6.91	$ 2.34
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 33,384,360	$ 4,407,160	$ 17,425	$ 33,384,360	$ 4,407,160
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number	517,333	210,667		517,333	210,667
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price	$ 2.35	$ 1.53		$ 2.35	$ 1.53
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term	8 years	7 years 10 months 24 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	$ 12,019,960	$ 860,960		$ 12,019,960	$ 860,960