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Stock-based compensation and equity transactions (Tables)

9 Months Ended

Jul. 31, 2018

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

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:

		Nine Months Ended July 31,
		2018				2017
Risk-free interest rate			1.87	%			1.20	%
Dividend yield			3.28	%			5.00	%
Expected life of the option			4.54 years				4.31 years
Volatility factor			46.83	%			43.30	%

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 the Company’s stock option plans as of July 31, 2018 and the changes in options outstanding during the nine months then ended is presented in the table that follows:

						Weighted
						Average
		Shares				Exercise Price
Outstanding at November 1, 2017			1,159,771			$	3.20
Options granted			269,635			$	2.44
Options exercised			(396,087	)		$	2.57
Options canceled or expired			(63,718	)		$	4.88
Options outstanding at July 31, 2018			969,601			$	3.11
Options exercisable at July 31, 2018			654,863			$	3.09
Options vested and expected to vest at July 31, 2018			967,379			$	3.11

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- References

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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