Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of unvested restricted stock

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Stockholders' Equity (Details) - Schedule of unvested restricted stock - Restricted stock [Member] - $ / shares
3 Months Ended
May 03, 2020
May 05, 2019
Stockholders' Equity (Details) - Schedule of unvested restricted stock [Line Items]    
Number of shares, Unvested, Beginning balance 183,053 377,286
Weighted average grant date fair value, Unvested, Beginning balance $ 21.34 $ 11.16
Number of shares, Granted 93,290 8,780
Weighted average grant date fair value, Granted $ 6.77 $ 30.07
Number of shares, Forfeited (265) (2,060)
Weighted average grant date fair value, Forfeited $ 14.83 $ 30.07
Number of shares, Vested (50,319) (279,325)
Weighted average grant date fair value, Vested $ 6.47 $ 12.52
Number of shares, Unvested, Ending balance 225,759 104,681
Weighted average grant date fair value, Unvested, Ending balance $ 18.65 $ 17.24