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Note 8 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
May 02, 2020
Jan. 30, 2021
Feb. 01, 2020
Feb. 02, 2019
Income Tax Expense (Benefit), Total   $ 2,797 $ 1,300  
Effective Income Tax Rate Reconciliation, Percent, Total   (13.90%) 83.00%  
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent   21.00% 21.00%  
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount     $ (200)  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount   $ 5,300    
Operating Loss Carryforwards, Total   15,500    
Tax Credit Carryforward, Amount   2,300    
Unrecognized Tax Benefits, Ending Balance   170 [1] 178 $ 418
Unrecognized Tax Benefits that Would Impact Effective Tax Rate   200 200  
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total   100 100  
Income Tax Examination, Penalties and Interest Expense, Total   100 100  
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit   $ 200    
Foreign Tax Authority [Member]        
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount     $ 600  
North America [Member]        
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 3,300      
[1] For the five week transition period ending February 3, 2018, there was no activity.