Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares	Jul. 31, 2015	Jan. 31, 2015
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares issued	14,012,000	14,012,000
Treasury stock, shares	1,928,000	1,928,000