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CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Feb. 02, 2019
Feb. 03, 2018
Statement Of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 0.02 $ 0.02
Preferred stock, shares authorized 1,000,000 1,000,000
Preferred stock, shares issued 0 0
Common stock, par value (in dollars per share) $ 0.02 $ 0.02
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 14,700,953 13,997,200