COMMITMENT (Detail) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Non-contributory defined contribution pension plan
Pension expense	$ 322	$ 322	$ 310
Unpaid pension expense, included in accounts payable and accrued liabilities	$ 50	$ 48