Balance Sheet (Parentheticals) (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jan. 31, 2013	Jan. 31, 2012
Allowance for doubtful accounts	$ 352	$ 235
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000	50,000
Common stock, shares issued	6,924	6,913
Common stock, shares outstanding	6,924	6,913