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Note 6 - Stock-based Compensation - Activity for Time-based and Performance-based Restricted Stock (Details)
6 Months Ended
Aug. 01, 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 398,681
Granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 2.15
Vested (in shares) | shares (260,317)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares $ 6.98
Forfeited (in shares) | shares 0
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares $ 0
Canceled or expired (in shares) | shares 0
Canceled or expired, weighted average grant date fair value (in dollars per share) | $ / shares $ 0
Outstanding (in shares) | shares 591,767
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 3.52
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 0
Granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 0
Vested (in shares) | shares (56,380)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares $ 8.85
Forfeited (in shares) | shares 0
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares $ 0
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 $ 7.00