Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Jan. 31, 2014	Jan. 31, 2013
Statement of Financial Position [Abstract]
Allowance for doubtful accounts receivables	$ 200	$ 275
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	3,000,000	3,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	25,000,000	25,000,000
Common stock, shares issued	14,718,414	14,550,371
Common stock, shares outstanding	14,718,414	14,550,371