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Note 6 - Stock-based Compensation - Activity for Time-based and Performance-based Restricted Stock (Details)
 6 Months Ended
Jul. 30, 2022
$ / shares
shares
Restricted Stock [Member]  
Outstanding (in shares) | shares 463,580
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 5.43
Granted (in shares) | shares 82,154
Granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 12.48
Vested (in shares) | shares (257,751)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares $ 5.78
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 287,982
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 7.12
Performance Shares [Member]  
Outstanding (in shares) | shares 306,280
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 3.56
Granted (in shares) | shares 84,579
Granted, weighted average grant date fair value (in dollars per share) | $ / shares $ 18.03
Vested (in shares) | shares (88,721)
Vested, weighted average grant date fair value (in dollars per share) | $ / shares $ 5.61
Forfeited (in shares) | shares 0
Forfeited, weighted average grant date fair value (in dollars per share) | $ / shares $ 0
Canceled or expired (in shares) | shares (7,090)
Canceled or expired, weighted average grant date fair value (in dollars per share) | $ / shares $ 5.61
Outstanding (in shares) | shares 295,048
Outstanding, weighted average grant date fair value (in dollars per share) | $ / shares $ 8.13