Annual report pursuant to Section 13 and 15(d)

Intangible Assets (Details)

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Intangible Assets (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 16, 2016
Feb. 03, 2018
Oct. 28, 2017
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Finite-Lived Intangible Assets [Line Items]            
Finite-lived intangible assets, Gross   $ 1,786,000   $ 1,786,000 $ 1,786,000  
Finite-lived intangible assets, Accumulated Amortization   (336,000)   (336,000) (171,000)  
Amortization expense of intangible assets       165,000 91,000 $ 62,000
Estimated amortization expense by fiscal year maturity [Abstract]            
Estimated amortization expense, each fiscal year through fiscal 2020   165,000   165,000    
Estimated amortization expense, fiscal 2021   157,000   157,000    
Estimated amortization expense, fiscal 2022   96,000   96,000    
Indefinite-lived intangible assets:            
FCC broadcasting license, carrying value   0   0 12,000,000  
Aggregate consideration under two agreements to sell Boston television station, WWDP, including the Company's FCC broadcast license     $ 13,500,000      
Broadcast Spectrum Allowed for Use Under Channel Sharing Agreement     33.30%      
Total consideration payable under the Channel Sharing Agreement     $ 3,500,000      
Proceeds from Channel Sharing Agreement, amount paid upon grant of a required construction permit by the FCC     2,500,000      
Proceeds from Channel Sharing Agreement, amount paid upon closing of substantially all of the remaining television station assets   1,000,000        
Purchase price under asset purchase agreement     10,000,000      
Escrow holdback amount     $ 1,000,000      
Commencement of Escrow Holdback Monthly Installments, Period after Closing Date     14 months      
Proceeds from sale of television station assets   9,333,000   12,738,000 0 0
Escrow holdback amount received under the television station sale   333,000        
Pre-tax operating gain on the television station sale   551,000   551,000 0 $ 0
Escrow holdback amount, amount remaining in escrow relating to the television station sale   667,000   667,000    
FCC Broadcast License [Member]            
Indefinite-lived intangible assets:            
FCC broadcasting license, carrying value   $ 0   $ 0 12,000,000  
FCC broadcasting license, estimated fair value         $ 13,400,000  
Trade Name [Member]            
Finite-Lived Intangible Assets [Line Items]            
Finite-lived intangible assets, Estimated Useful Life 15 years          
Finite-lived intangible assets acquired $ 336,000          
Customer List [Member]            
Finite-Lived Intangible Assets [Line Items]            
Finite-lived intangible assets, Estimated Useful Life 5 years          
Finite-lived intangible assets acquired $ 347,000          
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