Stock option plan (Tables)

6 Months Ended

Apr. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Option Activity

The following table summarizes stock option activity for the six-month period ended April 30, 2016:

	Six Months Ended April 30,
	2016
	No. of Options			Exercise
	Outstanding			Price
Options outstanding beginning of period		243,900		$	18.45
Options granted during period		—			—
Options forfeited/cancelled during period		(820	)	$	18.45
Options outstanding end of period		243,080		$	18.45
Options expected to vest over term of grant		238,620
Options exercisable at end of period		48,680