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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Oct. 31, 2016
Jan. 31, 2016
Statement of Financial Position [Abstract]    
Allowance for Doubtful Accounts Receivable $ (3,733) $ (3,591)
Common stock, par value, in dollars per share $ 0.00001 $ 0.00001
Common stock, shares authorized 45,000,000 45,000,000
Common stock, shares issued 21,819,000 21,604,000
Common stock, shares outstanding 21,819,000 21,604,000