CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jan. 31, 2012	Jan. 31, 2011
Allowance for doubtful accounts	$ 235	$ 346
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	50,000	50,000
Common stock, shares issued	$ 6,913	$ 6,851
Common stock, shares outstanding	6,913	6,851