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Note 8 - Stockholders' Equity - Changes in Stockholders' Equity (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Oct. 31, 2020
Nov. 02, 2019
Balance $ 54,571 $ 88,505 $ 88,631 $ 94,314
Issuance of restricted/performance stock 0 (1) 499 (246)
Stock-based compensation 441 340 1,334 1,114
Stock-based compensation (441) (340) (1,334) (1,114)
Shares withheld in lieu of tax withholdings   (0) 115 (0)
Other 1   1 0
Other comprehensive income (loss) 26 (349) (198) 92
Net loss 1,660 (5,873) (33,453) (5,901)
Balance, ending 56,699 81,943 56,699 81,943
Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance       (7,430)
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]        
Balance     88,631 86,884
Common Stock [Member]        
Balance 156 152 152 150
Issuance of restricted/performance stock 4 8 2
Shares withheld in lieu of tax withholdings     1  
Other     1  
Balance, ending 160 152 160 152
Common Stock [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]        
Balance     152 150
Additional Paid-in Capital [Member]        
Balance [1] 71,906 70,295 70,633 69,088
Issuance of restricted/performance stock [1] (4) (1) 491 (248)
Stock-based compensation [1] 441 340 1,334 1,114
Stock-based compensation [1] (441) (340) (1,334) (1,114)
Shares withheld in lieu of tax withholdings [1]     114  
Other [1] 1    
Balance, ending [1] 72,344 69,955 72,344 69,955
Additional Paid-in Capital [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]        
Balance [1]     70,633 69,088
AOCI Attributable to Parent [Member]        
Balance [2] (12,303) (11,579) (12,079) (12,018)
Other comprehensive income (loss) [2] 26 (349) (198) 92
Balance, ending [2] (12,277) (11,927) (12,277) (11,927)
AOCI Attributable to Parent [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]        
Balance [2]     (12,079) (12,018)
Retained Earnings [Member]        
Balance (5,188) 29,637 29,925 37,094
Net loss 1,660 (5,873) (33,453) (5,901)
Balance, ending $ (3,528) $ 23,763 (3,528) 23,763
Retained Earnings [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance       (7,430)
Retained Earnings [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]        
Balance     $ 29,925 $ 29,664
[1] Additional paid-in capital ("APIC")
[2] Accumulated other comprehensive income (loss) ("AOCI")