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Note 10 - Segment Information - Sales to External Customers and Long-lived Assets by Geographic Area (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Feb. 03, 2018
Jan. 28, 2017
May 05, 2018
Apr. 29, 2017
Dec. 30, 2017
Revenue from Contract with Customer, Excluding Assessed Tax, Total $ 30,223 $ 24,130 $ 83,184 $ 91,203  
Property and equipment, net     76,410 73,937 $ 77,751
North America [Member]          
Revenue from Contract with Customer, Excluding Assessed Tax, Total [1] 24,575   69,968 76,743  
Property and equipment, net [1]     66,664 64,641  
Europe [Member]          
Revenue from Contract with Customer, Excluding Assessed Tax, Total [2] 5,471   12,826 14,036  
Property and equipment, net [2]     9,722 9,261  
Other Geographic Region [Member]          
Revenue from Contract with Customer, Excluding Assessed Tax, Total [3] $ 177   390 424  
Property and equipment, net [3]     $ 24 $ 35  
[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