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Note 3 - Leases (Details Textual) - USD ($)
$ in Thousands
Nov. 02, 2019
Feb. 03, 2019
Feb. 02, 2019
Nov. 03, 2018
Retained Earnings (Accumulated Deficit), Ending Balance $ 23,763   $ 37,094 $ 47,517
Operating Lease, Weighted Average Remaining Lease Term 5 years 292 days      
Operating Lease, Weighted Average Discount Rate, Percent 5.90%      
Lessee, Operating Lease, Lease Not yet Commenced, Amount $ 800      
Accounting Standards Update 2016-02 [Member]        
Retained Earnings (Accumulated Deficit), Ending Balance   $ (7,400)    
Minimum [Member]        
Lessee, Operating Lease, Term of Contract 5 years      
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract 2 years      
Maximum [Member]        
Lessee, Operating Lease, Term of Contract 10 years      
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract 5 years