8. Share Purchase Warrants: Schedule of Additional information regarding share purchase warrants (Details)	12 Months Ended
	Sep. 30, 2018 shares
0.001
Number of Warrants Outstanding and Exercisable	1,333,334
Weighted Average Remaining Contractual Life (years)	10 months 24 days
0.01
Number of Warrants Outstanding and Exercisable	3,600,000
Weighted Average Remaining Contractual Life (years)	4 years 10 months 24 days
0.10 (a)
Number of Warrants Outstanding and Exercisable	1,000,000
Weighted Average Remaining Contractual Life (years)	9 months 18 days
0.15
Number of Warrants Outstanding and Exercisable	750,000
Weighted Average Remaining Contractual Life (years)	1 year 9 months 18 days
0.50
Number of Warrants Outstanding and Exercisable	242,000
Weighted Average Remaining Contractual Life (years)	1 month 6 days
0.10 (b)
Number of Warrants Outstanding and Exercisable	2,000,000
Weighted Average Remaining Contractual Life (years)	1 year 10 months 24 days
All
Number of Warrants Outstanding and Exercisable	8,925,334
Weighted Average Remaining Contractual Life (years)	4 years 4 months 24 days