Capital Stock - Summary of Option Activity Under Stock Incentive and Compensation Plan (Details) - $ / shares	3 Months Ended	12 Months Ended
	Sep. 30, 2018	Jun. 30, 2018
Shares [Abstract]
Options, Granted	0
Stock Options
Shares [Abstract]
Options, Outstanding, Beginning balance	1,568,995
Options, Outstanding, Ending balance	1,568,995	1,568,995
Options, Exercisable at September 30, 2018	1,011,666
Weighted-Average Exercise Price [Abstract]
Weighted Average Exercise Price, Options, Outstanding, Beginning balance	$ 1.50
Weighted Average Exercise Price, Options, Outstanding, Ending balance	1.50	$ 1.50
Weighted Average Exercise Price, Options, Exercisable at September 30, 2018	$ 1.54
Weighted Average Remaining Contractual Term (Years), Options, Outstanding	2 years 8 months 8 days	3 years 7 days
Weighted Average Remaining Contractual Term (Years), Options, Exercisable at September 30, 2018	1 year 9 months 10 days