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Stock-Based Compensations - Stock Option Activity (Detail)
 12 Months Ended
Jan. 28, 2017
$ / shares
shares
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Number of Options, Beginning balance | shares 1,055,568
Number of Options, Options granted | shares 201,000
Number of Options, Options exercised | shares (35,000)
Number of Options, Options forfeited | shares (30,000)
Number of Options, Ending balance | shares 1,191,568
Number of Options, Exercisable | shares 827,709
Weighted Average Exercise Price, Beginning balance | $ / shares $ 14.51
Weighted Average Exercise Price, Options granted | $ / shares 13.52
Weighted Average Exercise Price, Options exercised | $ / shares 4.93
Weighted Average Exercise Price, Options forfeited | $ / shares 19.12
Weighted Average Exercise Price, Ending balance | $ / shares 14.52
Weighted Average Exercise Price, Exercisable | $ / shares $ 13.18
Weighted Average Remaining Contractual Term (in years), Outstanding 5 years 9 months 18 days
Weighted Average Remaining Contractual Term (in years), Exercisable 4 years 7 months 6 days