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Note 10 - Segment Information - Sales to External Customers and Long-lived Assets by Geographic Area (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Dec. 30, 2017
Revenue from Contract with Customer, Excluding Assessed Tax, Total $ 83,178 $ 79,180 $ 166,362 $ 170,383  
Property and equipment, net 76,157 75,854 76,157 75,854 $ 77,751
North America [Member]          
Revenue from Contract with Customer, Excluding Assessed Tax, Total [1] 71,964 66,220 141,932 142,963  
Property and equipment, net [1] 66,606 66,203 66,606 66,203  
Europe [Member]          
Revenue from Contract with Customer, Excluding Assessed Tax, Total [2] 10,604 12,466 23,430 26,502  
Property and equipment, net [2] 9,530 9,617 9,530 9,617  
Other Geographic Region [Member]          
Revenue from Contract with Customer, Excluding Assessed Tax, Total [3] 610 494 1,000 918  
Property and equipment, net [3] $ 21 $ 34 $ 21 $ 34  
[1] North America includes the United States, Canada, Puerto Rico and international franchising revenue in Mexico
[2] Europe includes the United Kingdom, Ireland, Denmark and international franchising revenue in Europe
[3] Other includes international franchising revenue outside of North America and Europe and a corporately-managed store in China