Capital Stock - Summary of Warrants Exercisable into Common Stock Activity (Details) - Warrants - $ / shares	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018
Class Of Warrant Or Right [Line Items]
Warrants, Outstanding, Beginning Balance	1,045,000
Warrants, Issued	1,200,000
Warrants, Outstanding, Ending Balance	2,245,000	1,045,000
Weighted Average Exercise Price, Outstanding, Beginning Balance	$ 2.13
Weighted Average Exercise Price, Issued	1.40
Weighted Average Exercise Price, Outstanding, Ending Balance	$ 1.74	$ 2.13
Weighted-Average Remaining Contractual Term (Years), Outstanding	1 year 1 month 17 days	4 months 17 days
Weighted-Average Remaining Contractual Term (Years), Issued	1 year 9 months 10 days