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Stock options | 12 Months Ended
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Oct. 31, 2013
Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] |
Stock options | Note 8- Stock options Incentive and non-qualified stock option plans In May 2000, the Board of Directors adopted the Company’s 2000 Stock Option Plan (the “2000 Option Plan”). Under the 2000 Option Plan, the Company was authorized to grant options to purchase shares of common stock to officers, directors, key employees and others providing services to the Company. The 2000 Option Plan expired in May 2010. At the time of expiration, the 2000 Plan had authorized the Company to grant options to purchase a total of 1,320,000 shares. Upon the expiration of the 2000 Plan, the Company was no longer able to grant any stock options to its employees, officers and directors. Accordingly, as of October 31, 2013, no shares are available for future grant under the 2000 Option Plan. On March 9, 2010, the Company’s Board of Directors adopted the RF Industries, Ltd. 2010 Stock Incentive Plan (the “2010 Plan”). In June 2010, the Company’s stockholders approved the 2010 Plan by vote as required by the NASDAQ Capital Market listing standards. An aggregate of 1,000,000 shares of common stock was set aside and reserved for issuance under the 2010 Plan. As of October 31, 2013, 439,750 shares of common stock were remaining for future grants of stock options under the 2010 Plan. Additional disclosures related to stock option plans The fair value of each option granted in 2013 and 2012 was estimated on the grant date using the Black-Scholes option pricing model with the following assumptions:
|  | 2013 |  |  | 2012 |
Weighted average volatility |  |  | 42.9 | % |  |  | 57.7 | %
Expected dividends |  |  | 4.2 | % |  |  | 3.0 - 5.0 | %
Expected term (in years) |  |  | 3.5 |  |  |  | 3.5 - 4.2 |
Risk-free interest rate |  |  | 0.36 | % |  |  | 0.3-0.4 | %
Weighted average fair value of options granted during the year |  | $ | 1.12 |  |  | $ | 1.19 |
Weighted average fair value of options vested during the year |  | $ | 1.06 |  |  | $ | 1.02 |
Expected volatilities are based on historical volatility of the Company’s stock price and other factors. The Company used the historical method to calculate the expected life of the 2013 option grants. The expected life represents the period of time that options granted are expected to be outstanding. The risk-free rate is based on the U.S. Treasury rate with a maturity date corresponding to the options’ expected life. The dividend yield is based upon the historical dividend yield. Additional information regarding all of the Company's outstanding stock options at October 31, 2013 and 2012 and changes in outstanding stock options in 2013 and 2012 follows:
|  | 2013 |  | 2012 |
|  | Shares or |  | Weighted |  | Shares or |  | Weighted |
|  | Price Per |  | Average |  | Price Per |  | Average |
|  | Share |  | Exercise Price |  | Share |  | Exercise Price |
Options outstanding at beginning of year |  |  | 2,004,781 |  | $ | 2.25 |  |  | 2,099,672 |  | $ | 2.13 |
Options granted |  |  | 176,267 |  | $ | 4.80 |  |  | 114,815 |  | $ | 3.86 |
Options exercised |  |  | (1,096,750) |  | $ | 2.52 |  |  | (192,738) |  | $ | 1.82 |
Options forfeited |  |  | (96,083) |  | $ | 4.01 |  |  | (16,968) |  | $ | 3.05 |
Options outstanding at end of year |  |  | 988,215 |  | $ | 2.24 |  |  | 2,004,781 |  | $ | 2.25 |
Options exercisable at end of year |  |  | 743,169 |  | $ | 1.96 |  |  | 1,650,289 |  | $ | 2.16 |
Options vested and expected to vest at end of year |  |  | 972,015 |  | $ | 2.21 |  |  | 1,987,333 |  | $ | 2.25 |
Option price range at end of year |  | $ | 0.05 - 6.42 |  |  |  |  | $ | 0.05 - 4.12 |  |  |  |
Aggregate intrinsic value of options exercised during year |  | $ | 4,137,000 |  |  |  |  | $ | 397,000 |  |  |  |
Weighted average remaining contractual life of options outstanding as of October 31, 2013: 3.11 years Weighted average remaining contractual life of options exercisable as of October 31, 2013: 2.67years Weighted average remaining contractual life of options vested and expected to vest as of October 31, 2013: 3.08 years Aggregate intrinsic value of options outstanding at October 31, 2013: $6.9 million Aggregate intrinsic value of options exercisable at October 31, 2013: $5.4 million Aggregate intrinsic value of options vested and expected to vest at October 31, 2013: $5.4 million As of October 31, 2013, $208,000 of expense with respect to nonvested share-based arrangements has yet to be recognized which is expected to be recognized over a weighted average period of 3.26 years.

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- Definition The entire disclosure for compensation-related costs for equity-based compensation, which may include disclosure of policies, compensation plan details, allocation of equity compensation, incentive distributions, equity-based arrangements to obtain goods and services, deferred compensation arrangements, employee stock ownership plan details and employee stock purchase plan details. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406099&loc=d3e25284-112666 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5444-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 + Details
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