Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Oct. 31, 2012	Jan. 31, 2012	Oct. 31, 2011
Statement of Financial Position [Abstract]
Preferred stock, shares authorized	3,000,000	3,000,000	3,000,000
Preferred stock, par value	$ 0.01	$ 0.01	$ 0.01
Preferred stock, shares issued	0	0	0
Preferred Stock, Shares Outstanding	0	0	0
Common stock, shares authorized	25,000,000	25,000,000	25,000,000
Common stock, par value	$ 0.01	$ 0.01	$ 0.01
Common stock, shares issued	14,550,371	14,354,046	14,354,046