Stock option plan (Tables)

9 Months Ended

Jul. 31, 2015

Stock option plan [Abstract]

Schedule of Stock Option Activity

	Nine Months Ended July 31,
	2015
	No. of Options			Exercise
	Outstanding			Price
Options outstanding beginning of period		246,000		$	18.45
Options granted during period		—			—
Options forfeited/cancelled during period		(2,100	)		18.45
Options outstanding end of period		243,900		$	18.45
Options expected to vest		238,620
Options exercisable at end of period		—