Relationship with NBCU, Comcast and GE Equity (Details)					3 Months Ended	12 Months Ended
	Nov. 17, 2014 USD ($)	May. 16, 2013 USD ($)	May. 12, 2012 USD ($)	Feb. 25, 2009 demand_registration board_members shares	Aug. 02, 2014 shares	Jan. 30, 2016 USD ($) board_members shares	Jan. 31, 2015 USD ($) shares	Feb. 01, 2014 USD ($)	Oct. 15, 2015 $ / shares	Jul. 10, 2015	Jan. 02, 2011
Related Party Transaction [Line Items]
Series B Mandatory Redeemable Preferred Stock, Shares, Issued						0	0
Current Fiscal Year End Date						--01-30
Related Party, Ownership Interest in Company						6.00%				4.99%
Debt Conversion, Converted Instrument, Warrants or Options Issued					5,058,741
Payments to Acquire Intangible Assets | $	$ 39,000	$ 2,830,000	$ 4,000,000			$ 0	$ 0	$ 2,830,000
Finite-Lived Intangible Assets, Accumulated Amortization | $						$ 80,000	$ 18,000
Number of Board Members Appointed by Affiliates who Hold Upper Limit Beneficial Ownership | board_members				3
Joint Venture, Minimum Beneficial Ownership Percentage of Partners, Upper Limit				50.00%
Joint Venture, Shares, Beneficial Ownership				8,710,000
Number of Board Members Appointed by Affiliates who Hold Lower Limit Beneficial Ownership | board_members				2
Joint Venture, Minimum Beneficial Ownership Percentage of Partners, Lower Limit				10.00%
Joint Venture, Prohibited Asset Purchases by Affiliates, Threshold Percentage				10.00%
Joint Venture, Amended Agreement, Maximum Affiliate Beneficial Ownership Percentage				39.90%
Joint Venture, Affiliate Ownership Threshold to Sell Outstanding Shares				5.00%
Joint Venture, Affiliate Percentage Ownership Threshold to Sell Outstanding Shares, Upper Threshold				90.00%
Joint Venture, Maximum Aggregate Transfer of Beneficial Ownership to Individual, Percentage				10.00%
Joint Venture, Standstill Period, Commencement Anniversary				10 years
Joint Venture, Standstill Period, Period After Affiliate can No Longer Designate Nominees				6 months
Joint Venture, Standstill Period, Expiration of Standstill Period				2 years
Joint Venture, Standstill Period, Expiration, Tender Offer, Percentage				100.00%
Registration Rights Agreement, Number of Aggregate Demand Registrations | demand_registration				4
GE [Member]
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage in NBCU											49.00%
Common Stock Shares Held in Subsidiary						3,545,049
Sale of Stock, Price Per Share | $ / shares									$ 2.15
Number of Members Related Party Entitled to Appoint to Board of Directors | board_members						2
NBCU [Member]
Related Party Transaction [Line Items]
Common Stock Shares Held in Subsidiary						7,141,849
Minimum Beneficial Ownership to Retain Board Seat						5.00%
Related Party, Ownership Interest in Company						12.50%
Joint Venture, Maximum Aggregate Transfer of Beneficial Ownership to Individual, Percentage				20.00%
Registration Rights Agreement, Number of Aggregate Demand Registrations | demand_registration				1
Comcast [Member]
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage in NBCU											51.00%