Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.5.0.2
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Oct. 31, 2016
Jan. 31, 2016
Statement of Financial Position [Abstract]    
Allowance for doubtful accounts receivable $ 340 $ 415
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 35,207,057 33,818,777
Common stock, shares outstanding 35,207,057 33,778,871
Treasury stock, common shares 40,490 39,906