Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Oct. 31, 2015	Jan. 31, 2015
Accounts receivable, allowance for doubtful accounts	$ 1,090	$ 1,271
Preferred stock par value	$ 0.10	$ 0.10
Preferred stock shares authorized	1,000,000	1,000,000
Preferred Stock, Shares Issued	0	0
Common stock par value	$ 0.01	$ 0.01
Common stock shares authorized	35,000,000	35,000,000
Common stock shares issued	16,392,012	16,374,625
Treasury stock shares	898,249	898,249