Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Oct. 31, 2015	Jan. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common Stock, shares issued (in shares)	23,451,076	23,006,826
Common stock, shares outstanding (in shares)	15,403,106	14,958,856
Treasury stock, shares (in shares)	8,047,970	8,047,970