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Note 6 - Stock-based Compensation - Activity for Time-based and Performance-based Restricted Stock (Details)
3 Months Ended
May 02, 2020
$ / shares
shares
Restricted Stock [Member]  
Outstanding (in shares) | shares 453,403
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 6.71
Granted (in shares) | shares 246,666
Granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 2.04
Vested (in shares) | shares (186,628)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares $ 7.52
Forfeited (in shares) | shares
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares
Canceled or expired (in shares) | shares
Canceled or expired, weighted average grant date fair value (in dollars per share) | $ / shares
Outstanding (in shares) | shares 513,441
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 4.17
Performance Shares [Member]  
Outstanding (in shares) | shares 262,964
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 7.59
Granted (in shares) | shares
Granted, weighted average grant date fair value (in dollars per share) | $ / shares
Vested (in shares) | shares (56,380)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares $ 8.85
Forfeited (in shares) | shares
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares
Canceled or expired (in shares) | shares (27,517)
Canceled or expired, weighted average grant date fair value (in dollars per share) | $ / shares $ 8.85
Outstanding (in shares) | shares 179,067
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 7