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Note 6 - Other Intangible Assets (Details Textual) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Feb. 03, 2018
Feb. 02, 2019
Dec. 30, 2017
Feb. 03, 2019
Trademarks And Intellectual Property [Member]        
Finite-Lived Intangible Asset, Useful Life   3 years    
Amortization of Intangible Assets, Total $ 0.1 $ 0.7 $ 1.0  
Other Intangible Assets [Member]        
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months       $ 0.7