Intangible Assets (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016	Jan. 28, 2017
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	(295,000)		(295,000)		(171,000)
Amortization expense of intangible assets	41,000	$ 18,000	124,000	$ 61,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Estimated amortization expense, fiscal 2017 and each fiscal year through fiscal 2020	165,000		165,000
Estimated amortization expense, fiscal 2021	157,000		157,000
Indefinite-lived intangible assets [Abstract]
FCC broadcasting license, carrying value	9,500,000		$ 9,500,000		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%		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
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
FCC broadcast license [Member]
Indefinite-lived intangible assets [Abstract]
FCC broadcasting license, carrying value	$ 9,500,000		$ 9,500,000		12,000,000
FCC broadcasting license, estimated fair value					$ 13,400,000
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