Stock-based compensation and equity transactions (Tables)

3 Months Ended

Jan. 31, 2020

Stock-based compensation and equity transactions

Computation of Weighted Average Fair Value of Employee Stock Options using Black-Scholes Option Pricing Model Assumptions

Black-Scholes option pricing model with the following assumptions:

	Three Months Ended January 31,
	2020		2019
Risk-free interest rate	1.57	%	2.98	%
Dividend yield	1.23	%	0.94	%
Expected life of the option	6.47	years	5.76	years
Volatility factor	49.14	%	55.64	%

Summary of Status of Options Granted under Stock Option Plans and Changes in Options Outstanding

A summary of the status of the options granted under our stock option plans as of January 31, 2020 and the changes in options outstanding during the three months then ended is presented in the table that follows:

		Weighted
		Average
	Shares	Exercise Price
Outstanding at November 1, 2019	890,147	$	3.62
Options granted	130,241	$	6.53
Options exercised	(215,943)	$	1.81
Options outstanding at January 31, 2020	804,445	$	4.58
Options exercisable at January 31, 2020	417,279	$	4.24
Options vested and expected to vest at January 31, 2020	803,409	$	4.59