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Employee Stock Compensation (Details Textual) (USD $) | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 30, 2014 | Apr. 30, 2013 | Apr. 30, 2014 Equity Incentive 2012 Plan [Member] | Apr. 30, 2013 Equity Incentive 2012 Plan [Member] | Jun. 20, 2012 Equity Incentive 2012 Plan [Member] | Apr. 30, 2014 Equity Incentive 2009 Plan [Member] | Apr. 30, 2013 Equity Incentive 2009 Plan [Member] | Apr. 30, 2014 Director Option Plan [Member] | Apr. 30, 2013 Director Option Plan [Member] | Apr. 30, 2014 Restricted Stock [Member] Equity Incentive 2012 Plan [Member] | Apr. 30, 2014 Restricted Stock [Member] Equity Incentive 2009 Plan [Member] | Jun. 17, 2009 Restricted Stock [Member] Equity Incentive 2009 Plan [Member] | Apr. 30, 2014 Non Employee Director Stock Option Plan [Member] | Apr. 30, 2014 Employees Bonus In Stock Program [Member] | Apr. 30, 2014 Director Fee In Stock Program [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0 |  |  |  |  |  |  |  |  |  |  |  | 5,000 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  |  |  |  |  |  |  |  |  | 1,000 |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Purchase Price Of Common Stock, Percent |  |  |  |  |  |  |  |  |  |  |  |  |  | 133.00% | 133.00%
Share Based Compensation Arrangement By Share Based Payment Award Percent Age Of Cash Compensation Taken In Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |  |  | 30.00% |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  | 310,000 |  |  |  |  |  |  | 253,000 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period |  |  |  |  |  |  |  |  |  |  | 180,859 |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period |  |  |  |  |  |  |  |  |  | 273,227 | 2,000 |  |  |  |
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Weighted Average Grant Date Fair Value |  |  |  |  |  |  |  |  |  | $ 6.00 | $ 7.85 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number |  |  | 215,727 |  |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options |  |  |  |  |  |  |  |  |  | $ 1,330,093 | $ 1,811 |  |  |  |
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options At Base Line Performance |  |  |  |  |  |  |  |  |  | 959,793 | 1,811 |  |  |  |
Share-based Compensation | 24,365 | 74,831 | 5,468 | 74,831 |  | 18,896 | 0 | 0 | 0 |  |  |  |  |  |
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense | $ 8,771 | $ 26,939 |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition This item represents employee service share based compensation, nonvested awards, total compensation cost not yet recognized, stock options at base line performance + References No definition available. + Details
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Balance Type: | debit
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- Definition The element represents the percentage cash compensation which is elected to be taken in restricted stock. + References No definition available. + Details
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- Definition Unrecognized cost of unvested options awarded to employees as compensation. + References No definition available. + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + 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)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + 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 Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Purchase price of common stock expressed as a percentage of its fair value. + References No definition available. + Details
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