Related Party Transactions (Details)	3 Months Ended						3 Months Ended
	May 03, 2014 board_members	Nov. 02, 2013	Feb. 02, 2013	Jan. 02, 2011 Comcast [Member]	May 03, 2014 GE [Member]	Jan. 02, 2011 GE [Member]	May 03, 2014 NBCU [Member]
Related Party Transaction [Line Items]
Equity Method Investment, Ownership Percentage in NBCU				51.00%		49.00%
Current Fiscal Year End Date	--01-31
Warrants, Outstanding		6,000,000	6,000,000		6,000,000
Common Stock Shares Held in Subsidiary							7,141,849
Number of Members Related Party Entitled to Appoint to Board of Directors	2
Minimum Beneficial Ownership to Retain Board Seat							5.00%