Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 3, 4, 5, 6, 7, 8

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-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29

-Article 5

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-Name Accounting Standards Codification

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Section 50

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-Subparagraph (a)(1)

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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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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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-Publisher FASB

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-Number 123R

-Paragraph A240

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-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

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Adjusted by stock splits and stock dividends shares.

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Adjusted for stock splits and stock dividends price.

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- Definition

Exercisable beneficial interest percentage.

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- Definition

Rights entitles stockholder to purchase for stock on exercise price.

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Stock options exercisable period.

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Stock Based Compensation (Details Textual) (USD $)	3 Months Ended
Stock Based Compensation (Details Textual) (USD $)	Apr. 30, 2013	Jan. 31, 2013	Apr. 30, 2012	Oct. 15, 1996
Stock Based Compensation (Textual) [Abstract]
Preferred stock, shares	0	0	0
Stock Based Compensation (Additional Textual) [Abstract]
Preferred stock redeemed	$ 0.01	$ 0.01	$ 0.01	$ 0.001
Maximum term of stock options	10 years
Stock Options Exercisable Period	5 years
Rights entitles a stockholder to purchase for an exercise price				$ 50.00
Adjusted for stock splits and stock dividends, price				$ 20.70
Acquire a beneficial interest				20.00%
2011 Stock Incentive Plan [Member]
Stock Based Compensation (Textual) [Abstract]
Grant of stock option or awards	1,000,000
Restricted stock available for future issuance	448,750
2007 Stock Incentive Plan [Member]
Stock Based Compensation (Textual) [Abstract]
Grant of stock option or awards	1,000,000
Restricted stock available for future issuance	13,075
Options outstanding	0
Series A Junior Participating Cumulative Preferred Stock [Member]
Stock Based Compensation (Textual) [Abstract]
Preferred stock, shares				200,000
Adjusted by stock splits and stock dividends, Shares				483,153