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Business Acquisition (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 16, 2016
Feb. 02, 2019
Feb. 03, 2018
Jan. 28, 2017
Fair Value of Consideration Transferred [Abstract]        
Cash consideration $ 508 $ 0 $ 0 $ 508
Working capital holdback 67      
Allocation of the Princeton Purchase Consideration [Abstract]        
Inventories 1,171      
Existing customer list 347      
Trade Names 336      
Accounts payable (796)      
All other net tangible assets and liabilities 117      
Total 1,175      
Business Combination, Separately recognized Transactions, Additional Disclosures [Abstract]        
Acquisition-related costs expensed       $ 22
Princeton [Member]        
Fair Value of Consideration Transferred [Abstract]        
Cash consideration 575      
Fair value of contingent consideration 600      
Total fair value of consideration transferred $ 1,175