CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jan. 31, 2016	Jan. 31, 2015
CONSOLIDATED BALANCE SHEETS
Preferred stock, par value	$ 0.10	$ 0.10
Preferred stock, shares authorized	500,000	500,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.15	$ 0.15
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	14,839,702	14,634,434
Common stock, shares outstanding	14,836,469	14,631,201