Stock option plan (Tables)

9 Months Ended

Jul. 31, 2018

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

Schedule of Stock Option Activity

The following table summarizes stock option activity for the nine-month period ended July 31, 2018:

	No. of Options		Weighted Average
	Outstanding		Exercise Price
Options outstanding beginning of period		267,780	$	18.81
Options granted during period		38,000		15.50
Options forfeited/cancelled during period		—		—
Options outstanding end of period		305,780	$	18.40
Options vested and expected to vest		299,140
Options exercisable at end of period		147,940