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Employee Stock Compensation (Details Textual) (USD $)	3 Months Ended					3 Months Ended							3 Months Ended
	Apr. 30, 2013	Apr. 30, 2012	Apr. 30, 2013 Equity Incentive 2012 Plan [Member]	Apr. 30, 2012 Equity Incentive 2012 Plan [Member]	Jun. 20, 2012 Equity Incentive 2012 Plan [Member]	Apr. 30, 2013 Equity Incentive 2009 Plan [Member]	Apr. 30, 2012 Equity Incentive 2009 Plan [Member]	Apr. 30, 2013 Director Option Plan [Member]	Apr. 30, 2012 Director Option Plan [Member]	Apr. 30, 2013 Restricted Stock [Member] Equity Incentive 2012 Plan [Member]	Apr. 30, 2013 Restricted Stock [Member] Equity Incentive 2009 Plan [Member]	Jun. 17, 2009 Restricted Stock [Member] Equity Incentive 2009 Plan [Member]	Apr. 30, 2013 Non Employee Director Stock Option Plan [Member]	Apr. 30, 2013 Employees Bonus In Stock Program [Member]	Apr. 30, 2013 Director Fee In Stock Program [Member]	Apr. 30, 2013 Selling, General and Administrative Expenses [Member]	Apr. 30, 2012 Selling, General and Administrative Expenses [Member]
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											162,495
Granted during FY13 through July 31, 2012, Total restricted stock plan										263,541	20,365
Granted during FY13 through October 31 2012, Weighted average grant date fair value (in dollars per share)										$ 6.15	$ 8.06
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number			202,041
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options										$ 1,422,981	$ 16,502
Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Stock Options At Base Line Performance										1,026,921	16,502
Share-based Compensation	74,831	131,391	74,831	0		0	131,391	0	0
Allocated Share-based Compensation Expense																$ 26,939	$ 47,300

X

- Definition

This item represents employee service sharebased compensation, nonvested awards, total compensation cost not yet recognized, stock options at base line performance

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- Definition

The element represents the percentage cash compensation which is elected to be taken in restricted stock.

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No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

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- Definition

Aggregate unrecognized cost of option awards made to employees under a stock option plan or plans, that have yet to vest.

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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.

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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).

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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).

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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.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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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).

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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.

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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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- Definition

Purchase price of common stock expressed as a percentage of its fair market value.

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