Stock option plan (Tables)

6 Months Ended

Apr. 30, 2018

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, 2018:

	No. of Options		Weighted Average
	Outstanding		Exercise Price
Options outstanding beginning of period		267,780	$	18.81
Options granted during period		—		—
Options forfeited/cancelled during period		—		—
Options outstanding end of period		267,780	$	18.81
Options vested and expected to vest		262,280
Options exercisable at end of period		147,940