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Shareholder's Equity (Tables) | 12 Months Ended
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Jan. 31, 2013
Shareholders' Equity [Abstract] |
Summarized Shares of common stock |
|  | 2013 |  |  | 2012 |
Balance at beginning of year |  |  | 8,956,488 |  |  |  | 8,660,270 |
Exercise of employee stock options |  |  | 66,313 |  |  |  | 289,417 |
Shares issued to employee stock purchase plan |  |  | 5,976 |  |  |  | 6,801 |
Share-based compensation |  |  | 2,979 |  |  |  | — |
Balance at end of year |  |  | 9,031,756 |  |  |  | 8,956,488 |
Aggregated information regarding stock options granted |
|  | Number of Shares |  |  | Option Price Per Share |  |  | Weighted Average Option Price Per Share |
Options Outstanding, January 31, 2012 |  |  | 888,097 |  |  | $ | 2.40-11.90 |  |  | $ | 8.27 |
Options Granted |  |  | 144,000 |  |  | $ | 7.91-8.35 |  |  | $ | 8.09 |
Options Exercised |  |  | (66,313 | ) |  | $ | 2.40-8.95 |  |  | $ | 5.15 |
Options Expired |  |  | (49,172 | ) |  | $ | 2.69-11.90 |  |  | $ | 8.39 |
Options Outstanding, January 31, 2013 |  |  | 916,612 |  |  | $ | 2.40-11.90 |  |  | $ | 8.46 |
Options Exercisable, January 31, 2013 |  |  | 711,112 |  |  | $ | 2.40-11.90 |  |  | $ | 8.64 |
Summary of options outstanding |
Outstanding |  |  | Exercisable |
Range of Exercise prices |  | Options |  |  | Weighted Average Exercise Price |  |  | Remaining Contractual Life |  |  | Options |  |  | Weighted Average Exercise Price |
$2.40-5.78 |  |  | 18,439 |  |  | $ | 5.15 |  |  |  | 3.8 |  |  |  | 18,439 |  |  | $ | 5.15 |
$6.22-9.59 |  |  | 756,073 |  |  | $ | 7.97 |  |  |  | 4.5 |  |  |  | 550,573 |  |  | $ | 8.01 |
$9.81-11.90 |  |  | 142,100 |  |  | $ | 11.54 |  |  |  | 3.9 |  |  |  | 142,100 |  |  | $ | 11.54 |
|  |  | 916,612 |  |  |  |  |  |  |  |  |  |  |  | 711,112 |  |  |  |  |
Fair value of stock options granted |
|  | Years Ended January 31,
|  | 2013 |  | 2012
Risk-free interest rate |  | 0.62%-1.20% |  | 0.94%-2.00%
Expected life (years) |  | 5 |  | 5
Expected volatility |  | 38.74%-39.46% |  | 39.07%-39.43%
Expected dividend yield |  | 3.41-3.46% |  | 3.50%-3.89%
Aggregated information regarding RSUs granted |
|  | RSAs & RSUs |  |  | Weighted Average Grant Date Fair Value |
Outstanding at January 31, 2012 |  |  | — |  |  | $ | — |
Granted |  |  | 96,900 |  |  |  | 8.10 |
Exercised |  |  | — |  |  |  | — |
Expired or canceled |  |  | — |  |  |  | — |
Outstanding at January 31, 2013 |  |  | 96,900 |  |  | $ | 8.10 |
Share-based compensation expense |
|  | Years Ended January 31, |
|  | 2013 |  |  | 2012 |
(In thousands) |  |  |  |  |  |
Stock Options |  | $ | 163 |  |  | $ | 208 |
Restricted Stock Awards and Restricted Stock Units |  |  | 317 |  |  |  | — |
Total |  | $ | 480 |  |  | $ | 208 |
Summarized plan activity |
|  | Years Ended January 31, |
|  | 2013 |  |  | 2012 |
Shares reserved, beginning |  |  | 70,207 |  |  |  | 77,008 |
Shares purchased |  |  | (5,976 | ) |  |  | (6,801 | )
Shares reserved, ending |  |  | 64,231 |  |  |  | 70,207 |

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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + 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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