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Note 8 - Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
3 Months Ended 20 Months Ended
May 04, 2019
May 05, 2018
May 04, 2019
Aug. 31, 2017
Stock Repurchased and Retired During Period, Value $ 732    
The August 2017 Share Repurchase Program [Member]        
Stock Repurchase Program, Authorized Amount       $ 20,000
Stock Repurchased and Retired During Period, Shares     1.3  
Share Price $ 8.75   $ 8.75  
Stock Repurchased and Retired During Period, Value     $ 11,200  
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 8,800   $ 8,800