Balance Sheet parenthetical (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Apr. 30, 2013	Jan. 31, 2013
Allowance for Doubtful Accounts Receivable, Current	$ 364	$ 343
Common Stock, Par or Stated Value Per Share	$ 0.01	$ 0.01
Common Stock, Shares Authorized	50,000	50,000
Common Stock, Shares, Issued	6,932	6,924
Common Stock, Shares, Outstanding	6,932	6,924