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Intangible Assets (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Aug. 28, 2017
Jul. 29, 2017
Jul. 30, 2016
Jul. 29, 2017
Jul. 30, 2016
Jan. 28, 2017
Finite-lived intangible assets [Line Items]            
Finite-lived intangible assets, Gross   $ 1,786   $ 1,786   $ 1,786
Finite-lived intangible assets, Accumulated Amortization   (254)   (254)   (171)
Amortization expense of intangible assets   42 $ 25 83 $ 43  
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]            
Estimated amortization expense, fiscal 2017 and each fiscal year through fiscal 2020   165   165    
Estimated amortization expense, fiscal 2021   157   157    
Indefinite-lived intangible assets [Abstract]            
FCC broadcasting license, carrying value   12,000   12,000   12,000
FCC broadcast license [Member]            
Indefinite-lived intangible assets [Abstract]            
FCC broadcasting license, carrying value   $ 12,000   $ 12,000   12,000
FCC broadcasting license, estimated fair value           $ 13,400
Minimum [Member]            
Finite-lived intangible assets [Line Items]            
Finite-lived intangible assets, Estimated Useful Life       5 years    
Maximum [Member]            
Finite-lived intangible assets [Line Items]            
Finite-lived intangible assets, Estimated Useful Life       15 years    
Subsequent Event [Member]            
Indefinite-lived intangible assets [Abstract]            
Sale price of the Boston television station, WWDP, including the Company's FCC broadcast license $ 13,500