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Shareholders' Equity (Tables) | 12 Months Ended
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Jan. 31, 2014
Equity [Abstract] |
Summary of Number of Shares Issued of Common Stock | The number of shares issued of common stock is summarized below:
|  | 2014 |  |  | 2013 |
Balance at beginning of year |  |  | 9,031,756 |  |  |  | 8,956,488 |
Exercise of employee stock options |  |  | 210,790 |  |  |  | 66,313 |
Restricted stock vesting |  |  | 42,325 |  |  |  | — |
Shares issued to employee stock purchase plan |  |  | 3,989 |  |  |  | 5,976 |
Share-based compensation |  |  | 2,365 |  |  |  | 2,979 |
Balance at end of year |  |  | 9,291,225 |  |  |  | 9,031,756 |
Aggregated Information Regarding Stock Options Granted | Aggregated information regarding stock options granted under the Plan is summarized below:
|  | Number of Shares |  |  | Option Price Per Share |  |  | Weighted Average Option Price Per Share |
Options Outstanding, January 31, 2013 |  |  | 916,612 |  |  | $ | 2.40-11.90 |  |  | $ | 8.46 |
Options Granted |  |  | 56,800 |  |  | $ | 10.50-10.60 |  |  | $ | 10.54 |
Options Exercised |  |  | (210,790 | ) |  | $ | 2.40-11.90 |  |  | $ | 8.33 |
Options Expired |  |  | (25,975 | ) |  | $ | 2.40-11.90 |  |  | $ | 9.42 |
Options Outstanding, January 31, 2014 |  |  | 736,647 |  |  | $ | 5.78-11.90 |  |  | $ | 8.63 |
Options Exercisable, January 31, 2014 |  |  | 570,324 |  |  | $ | 5.78-11.90 |  |  | $ | 8.57 |
Summary of Options Outstanding | Set forth below is a summary of options outstanding at January 31, 2014:
Outstanding |  |  | Exercisable |
Range of Exercise prices |  | Options |  |  | Weighted Average Exercise Price |  |  | Remaining Contractual Life |  |  | Options |  |  | Weighted Average Exercise Price |
$5.78-8.73 |  |  | 500,422 |  |  | $ | 7.66 |  |  |  | 4.7 |  |  |  | 390,299 |  |  | $ | 7.57 |
$8.74-11.90 |  |  | 236,225 |  |  | $ | 10.68 |  |  |  | 4.7 |  |  |  | 180,025 |  |  | $ | 10.73 |
|  |  | 736,647 |  |  |  |  |  |  |  |  |  |  |  | 570,324 |  |  |  |  |
Fair Value of Stock Options Granted | The fair value of each stock option granted was estimated on the grant date using the Black-Scholes option-pricing model with the following weighted average assumptions:
|  | Years Ended January 31,
|  | 2014 |  | 2013
Risk-free interest rate |  | 0.81%-0.84% |  | 0.62%-1.20%
Expected life (years) |  | 5 |  | 5
Expected volatility |  | 38.07%-38.46% |  | 38.74%-39.46%
Expected dividend yield |  | 2.63% |  | 3.41-3.46%
Aggregated Information Regarding RSUs Granted | Aggregated information regarding RSUs and RSAs granted under the Plan is summarized below:
|  | RSAs & RSUs |  |  | Weighted Average Grant Date Fair Value |
Outstanding at January 31, 2013 |  |  | 96,900 |  |  | $ | 8.10 |
Granted |  |  | 57,544 |  |  |  | 10.14 |
Vested |  |  | (46,798 | ) |  |  | 8.27 |
Expired or canceled |  |  | (1,150 | ) |  |  | 8.35 |
Outstanding at January 31, 2014 |  |  | 106,496 |  |  | $ | 9.12 |
Share-Based Compensation Expense | Share-based compensation expense has been recognized as follows:
|  | Years Ended January 31, |
|  | 2014 |  |  | 2013 |
(In thousands) |  |  |  |  |  |
Stock Options |  | $ | 192 |  |  | $ | 163 |
Restricted Stock Awards and Restricted Stock Units |  |  | 370 |  |  |  | 317 |
Total |  | $ | 562 |  |  | $ | 480 |
Summarized Plan Activity | Summarized plan activity is as follows:
|  | Years Ended January 31, |
|  | 2014 |  |  | 2013 |
Shares reserved, beginning |  |  | 64,231 |  |  |  | 70,207 |
Shares purchased |  |  | (3,989 | ) |  |  | (5,976 | )
Shares reserved, ending |  |  | 60,242 |  |  |  | 64,231 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: 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 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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