Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details)

v3.8.0.1
Related Party Transactions (Details)
 3 Months Ended 12 Months Ended
Jan. 31, 2017
USD ($)
board_members
$ / shares
shares
Oct. 29, 2016
USD ($)
Feb. 03, 2018
USD ($)
shares
Jan. 28, 2017
USD ($)
shares
Jan. 30, 2016
USD ($)
Apr. 29, 2016
$ / shares
shares
Jul. 10, 2015
Feb. 25, 2009
demand_registration
Related Party Transaction [Line Items]                
Common Stock, shares owned by related party | shares     65,290,458 65,192,314        
Related party, ownership interest in Company repurchased, percentage             4.99%  
Common stock repurchased from NBCU, Value     $ 5,055,000          
Registration Rights Agreement, number of aggregate demand registrations | demand_registration               5
GE [Member]                
Related Party Transaction [Line Items]                
Common Stock, shares owned by related party | shares           3,545,049    
Sale of stock, price per share | $ / shares           $ 2.15    
NBCU [Member]                
Related Party Transaction [Line Items]                
Related party cash payment for right to use a specified channel in the Boston market area   $ 500,000            
Common Stock, shares owned by related party | shares 2,741,849              
Percentage of ownership in Company after transaction 4.50%              
Related party, ownership interest in Company repurchased, percentage 6.70%              
Sale of stock, price per share | $ / shares $ 1.12              
Number of board members appointed by affiliates who hold beneficial ownership, Upper limit | board_members 1              
Minimum beneficial ownership to retain board seat, percentage 5.00%              
Affiliate ownership percentage threshold to sell outstanding shares, Lower threshold 5.00%              
Affiliate ownership percentage threshold to sell outstanding shares, Upper threshold 90.00%              
Maximum aggregate transfer of beneficial ownership to individual, percentage 20.00%              
Common stock repurchased from NBCU, Shares | shares 4,400,000              
Common stock repurchased from NBCU, Value $ 5,000,000              
Newgistics, Inc. [Member]                
Related Party Transaction [Line Items]                
Purchases from related party     4,474,000 $ 4,910,000 $ 4,517,000      
On Air Food Supplier [Member]                
Related Party Transaction [Line Items]                
Purchases from related party     $ 1,156,000 $ 1,866,000 $ 3,467,000