Stock Based Compensation (Details Textual) (USD $)	9 Months Ended
	Oct. 31, 2012	Jan. 31, 2012	Oct. 31, 2011	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%
Grants of Restricted Stock, issued date	Oct. 25, 2016
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